Apr 28, 2022 · The 7ea engine code chevy silverado isn’t actually a malfunction code. This 7ea trouble code will be shown when the OBD scanner requires additional input, for example, information about the kind of elements being examined. What does BMW fault codes $7E8:Engine mean ? Whats about BMW fault code $7EC ? Its a 2008 328i base sedan. It idled a little rough last night. This morning it started rough, ran for about three minute … read moreOct 30, 2022 · The 7e8 engine code is one of the most common codes, meaning that it can be caused by many things. Some possibilities are: A bad throttle position sensor (TPS). The TPS sends information to the engine computer so that it knows how much air is entering your car's cylinders. If this part fails, it will cause a 7e8 engine code to appear on your car's dashboard or in its data log. A broken wiring ... Feb 17, 2014 · 7E8 ENGINE CODE - Hyundai Cars & Trucks question. $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System0 answers. CODE:801C20 ZGM. central faulty memory.2-D36D54SIGNEL 3-4809AB undervoltage. Please help me fix this problem BMW125I M Sport 2013. Be the first to answer Feb 17, 2022 • BMW Cars & Trucks. 0 answers.(YIKE!) my ODB II scanner says codes 7E8 and 7E9. 7E8: Engine, 'no code stored in module' 7E9: A/T, PO882 TCM power input signal low turned off car. wouldnt start because battery was still too weak. jumped car again. this time i let the car sit idle for 20min. check engine light still on but transmission light is off. same readings with OBD II ...$7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module.Oct 1, 2018 · The code is a menu of systems that the OBDII scanner can access. OBDII scanner interprets the code and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.The 7E8 is more of a menu for the engine data stream than a code. It represents the data stream of the car’s engine and also indicates air pressure loss in the evaporative emission control system. Often, when this engine code comes up, it implies an engine powertrain. Engine codes help you to identify any potential engine problems so you can ...May 25, 2023 · The $7 at the start represents mode 7. The E8 and E9 represent different modules or parts of the vehicle from where the codes are retrieved. E8 represents the engine control module while E9 represents the transmission control module. In short: 7E8 means a request code from ECM. 7E9 means a request from TCM. Mar 24, 2019 · 16 Answers. Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. So, the first step is to determine if there is an actual engine rod ... What does BMW fault codes $7E8:Engine mean ? Whats about BMW fault code $7EC ? Its a 2008 328i base sedan. It idled a little rough last night. This morning it started rough, ran for about three minute … read moreIf You have a code 7E8 that means that there is a problem somewhere within the engine. You will need to use a more advanced scan tool to read the rest of the code to help pin point the problem. Frequently it is a catalytic converter problem though on BMW vehicles. Code 7E8 in a BMW means that there is a problem with the catalytic converter.Check engine light - Remember that the 7E8 code is related to the engine powertrain. The check engine light will light up on the dashboard when the engine has an issue. The 7E8 code will be stored whenever the engine has a problem, and the CEL will illuminate. Poor engine performance - Your vehicle will have a hard time going uphill, especially ...The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.Jul 9, 2013 · Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. Codes $7E8, $7E9 and P1326? - CarGurus.ca SOURCE: I have a 2008 chevy impala. The car suddenly. ur vehicle is in limp mode[ a safe mode ] which will get u home trying not to cause any damage to engine --theirs a few reasons the vehicle will do this-low oil pressure-transmission problem-have vehicle scanned most auto stores such as auto zone / advanced auto [check ur local area]do this service for free the code gives u a start point ... I have a 2007 CHevy Impala 3.5 lt engine. The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.If your car’s dash displays a 7EB code, it implies that an issue with the car’s diagnostic control module has been found. This isn’t similar to a regular check engine light, which indicates that the engine has an issue. Also, remember it’s different from the 7ea engine code. This code is usually generated when there is an issue with the ...Check engine light is on, three codes listed $7EB, $7E8, and $7EA. On steady. No blinking. 2010 Camaro SS, Plugged in - Answered by a verified Chevy MechanicI have a 2012 Sante Fe. Check engine light is on. Used my OBDII reader and the only codes that would come up are $7E9, and $7E8. No other codes would come up when I tried to get more information from … read moreThe code is a menu of systems that the OBDII scanner can access. OBDII scanner interprets the code and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine SystemAug 2, 2020 · 7E8 and $7E9 are sub-menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that submenu. the code will be 4 digits and start with either a P,B,C,or U Trouble code $7E8 for 2006 toyota prius. $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. Jan 09, 2020 • Toyota Cars & Trucks.I have a 2007 CHevy Impala 3.5 lt engine. The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.The 7ea engine code chevy silverado isn’t actually a malfunction code. This 7ea trouble code will be shown when the OBD scanner requires additional input, for example, information about the kind of elements being examined.The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. Codes $7E8, $7E9 and P1326? - CarGurus.caThe engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.SOURCE: I have a 2008 chevy impala. The car suddenly. ur vehicle is in limp mode[ a safe mode ] which will get u home trying not to cause any damage to engine --theirs a few reasons the vehicle will do this-low oil pressure-transmission problem-have vehicle scanned most auto stores such as auto zone / advanced auto [check ur local area]do this service for free the code gives u a start point ... Aug 7, 2018 · The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine SystemJul 8, 2013 · $7e8 code engine - Buick Enclave question. Battery drain on 04 park ave Battery is draining in hours and the alternator gets hot even when shut off. replaced the battery and had the alternator rebuilt making sure the shop replace the diodes and the regulator. put them back on and the same problem, if i remove the bat 1 fuse drain stops car runs but no dash lights , ac and other items don't ... 0 answers. CODE:801C20 ZGM. central faulty memory.2-D36D54SIGNEL 3-4809AB undervoltage. Please help me fix this problem BMW125I M Sport 2013. Be the first to answer Feb 17, 2022 • BMW Cars & Trucks. 0 answers.Sep 24, 2013 · Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. Codes $7E8, $7E9 and P1326? - CarGurus.ca Nov 20, 2022 · Code 7E8 shows up when there is something wrong with the emission system, particularly the loss of air pressure in the evaporative emission control system. What Does Code 7E8 Mean? This 7E8 engine code is a general code, implying that your car is enduring an issue related to air or fuel intake. What those these codes mean 07E8 07E9. 07E8: codes were requested from your vehicle's engine module. 07E9: codes were requested from your vehicle's transmission module. You should be able to click on those codes if you're using a capable scan tool, and you'll see which powertrain (PXXXX) codes are stored. Oct 18, 2022 • Ford Cars & Trucks.Sep 24, 2013 · Mopar Certified. Dodge Technician. Vocational, Technical or Tra... 8,409 satisfied customers. 2012 dodge charger srt8 threw codes 7e8 and 7e9 after dealer. 2012 dodge charger srt8 threw codes 7e8 and 7e9 after dealer performed a oil change and brake service. … read more. You can fix this engine code by repairing faults or malfunctions in the transmission system. Engine code 7EA. The OBD scan tool will display this engine code when it needs more information about the engine control unit 3. You can fix this engine code by scanning ECU #3 and fixing faults. Engine code 7EB$7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module.Code $7E8 NANCY BORUCKI HESTER MEMBER 2010 CHEVROLET HHR 94,000 MILES Check engine light sometimes comes on. Code reader says $7E8. I can’t find anyplace that can tell me what this is/what needs to be repaired. Had exhaust system checked and there is no problem there.Jan 17, 2023 · A faulty Purge Control Solenoid Valve fails to respond to the control signals, which the system detects as a problem. The control module then activates the 7e8 engine code to alert the driver about the issue. 06. Faulty Seal of the Fuel Pump. The fuel pump seal or gasket prevents the fuel oil leakage onto the cam case. Sep 24, 2013 · Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. Codes $7E8, $7E9 and P1326? - CarGurus.ca I recently had the OBD port scanned and, lo and behold, three control module codes came up: $7EB, $7EA and $7E8. The dealership insists that this is perfectly normal and is refusing to diagnose it even though my car is still covered under the one-year bumper to bumper warranty. They say its not a problem unless the check engine light comes on.I have a 2010 chevy silverodo that displayes three codes ($7EA, $7E8 and $7EB) I cleared the codes and the light stays off untill I use the remote start. then the engine starts and quits after about 3 … read moreCode 7E8 shows up when there is something wrong with the emission system, particularly the loss of air pressure in the evaporative emission control system. What Does Code 7E8 Mean? This 7E8 engine code is a general code, implying that your car is enduring an issue related to air or fuel intake.Jan 11, 2022 · 2016 Subaru Outback. My check engine light is on. The code tester we used from the auto parts store showed Code 7E8:Engine and 7E9:A/T. The X-treme feature shows that it is engaged and I can't turn it … read more May 8, 2020 · I have a 2010 chevy silverodo that displayes three codes ($7EA, $7E8 and $7EB) I cleared the codes and the light stays off untill I use the remote start. then the engine starts and quits after about 3 … read more SOURCE: I have a 2008 chevy impala. The car suddenly. ur vehicle is in limp mode[ a safe mode ] which will get u home trying not to cause any damage to engine --theirs a few reasons the vehicle will do this-low oil pressure-transmission problem-have vehicle scanned most auto stores such as auto zone / advanced auto [check ur local area]do this service for free the code gives u a start point ... Dec 31, 2018 · Hi! My check engine light turned on today and keeps blinking, we got code 07e8 and 07e9, and the throttle response is sluggish. Its a 2016 Kia Sorento 2,2 diesel engine with automatic transmission. Re … read more Aug 2, 2020 · 7E8 and $7E9 are sub-menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that submenu. the code will be 4 digits and start with either a P,B,C,or U Aug 2, 2020 · 7E8 and $7E9 are sub-menus for the Engine and Transmission. You need to select one and press enter. It will then give you the code for that submenu. the code will be 4 digits and start with either a P,B,C,or U The first and foremost thing that you need to do to fix the 7e8 engine code is to find the DLC, i.e., the Data Link Connector. The location of DLC will vary based on the model of Chevy that you are using. Connect the code scanner tool to the DLC port: Secondly, connect the code scanner tool with the DLC port of your Chevy. May 19, 2020 · What does BMW fault codes $7E8:Engine mean ? Whats about BMW fault code $7EC ? Its a 2008 328i base sedan. It idled a little rough last night. This morning it started rough, ran for about three minute … read more I have a 2010 chevy silverodo that displayes three codes ($7EA, $7E8 and $7EB) I cleared the codes and the light stays off untill I use the remote start. then the engine starts and quits after about 3 …Had a new turbo installed 4000 miles ago, check engine light came on two weeks ago, bought a Foxwell code reader and it gave those two codes. This is a f350 7.6 diesel. read moreCode 7E8 shows up when there is something wrong with the emission system, particularly the loss of air pressure in the evaporative emission control system. What Does Code 7E8 Mean? This 7E8 engine code is a general code, implying that your car is enduring an issue related to air or fuel intake.May 8, 2020 · I have a 2010 chevy silverodo that displayes three codes ($7EA, $7E8 and $7EB) I cleared the codes and the light stays off untill I use the remote start. then the engine starts and quits after about 3 … read more $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module.Jul 30, 2020 · If You have a code 7E8 that means that there is a problem somewhere within the engine. You will need to use a more advanced scan tool to read the rest of the code to help pin point the problem. Frequently it is a catalytic converter problem though on BMW vehicles. Code 7E8 in a BMW means that there is a problem with the catalytic converter. $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module.Hi! My check engine light turned on today and keeps blinking, we got code 07e8 and 07e9, and the throttle response is sluggish. Its a 2016 Kia Sorento 2,2 diesel engine with automatic transmission. Re … read more7EA: Call for more information for scanning the ECU 3. 7E8: 7E8 is a submenu for the ECU, not an issue one. If the tool shows this one, it indicates that the Engine Control Module (ECM) has issued a request signal. 7E9: When you see this, there is a transmission control module (TCM) request code. You can resolve this by repairing transmission ...May 25, 2023 · The $7 at the start represents mode 7. The E8 and E9 represent different modules or parts of the vehicle from where the codes are retrieved. E8 represents the engine control module while E9 represents the transmission control module. In short: 7E8 means a request code from ECM. 7E9 means a request from TCM. Found this on a Google search. p2098 $07E8 Post catalyst fuel trim system too lean bank 2. p2272 $07E8 o2 sensor signal stuck lean bank 2 sensor 2. Probably best to rescan yours with a specific BMW code reader such as INPA or a Creator 310+ handheld scanner that will have a better explanation of the codes. The code you have points to too much ...How do i get the codes and what they mean for a 04. Go to your local autozone or advance auto. They will scan the codes for you. Write down the codes, then google them. The OBD-II codes are based on a universal chart, with only a few exceptions. You can also post back here, and someone here will teach you what each code you encounter means, and ...Aug 27, 2018 · I have a 2007 CHevy Impala 3.5 lt engine. The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks. 7e8 engine code - 2005 Ford F 350 Super Duty. Posted by Anonymous on Apr 25, 2013.Think car OBD2 Scanner Code Reader for Car – $130.44 to $154.90. ABS/ SRS and Engine complete OBD reader with Wi-Fi update and 28-reset. Read and erase any faulty codes easily, and it works on more than 1000+ car makes. It comes with a big five inches touch screen and Android 7.0, which makes it portable. The 7ea engine code chevy silverado isn’t actually a malfunction code. This 7ea trouble code will be shown when the OBD scanner requires additional input, for example, information about the kind of elements being examined.Feb 2, 2017 · The code is a menu of systems that the OBDII scanner can access. OBDII scanner interprets the code and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System In this case, $7 represents mode 7, which basically means diagnostic code request. E8 (or E9) indicates that you request fault codes from module E8 (or E9). In conclusion: $7E8: request codes from the engine module. $7E9: request codes from the transmission module.Feb 27, 2019 · $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. Oct 5, 2015 · Please include year make model in all Vehicle related question. Thanks Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. A faulty Purge Control Solenoid Valve fails to respond to the control signals, which the system detects as a problem. The control module then activates the 7e8 engine code to alert the driver about the issue. 06. Faulty Seal of the Fuel Pump. The fuel pump seal or gasket prevents the fuel oil leakage onto the cam case.Sep 24, 2013 · Mopar Certified. Dodge Technician. Vocational, Technical or Tra... 8,409 satisfied customers. 2012 dodge charger srt8 threw codes 7e8 and 7e9 after dealer. 2012 dodge charger srt8 threw codes 7e8 and 7e9 after dealer performed a oil change and brake service. … read more. The 7e8 engine code is one of the most common codes, meaning that it can be caused by many things. Some possibilities are: A bad throttle position sensor (TPS). The TPS sends information to the engine computer so that it knows how much air is entering your car's cylinders. If this part fails, it will cause a 7e8 engine code to appear on your car's dashboard or in its data log. A broken wiring ...6 How to Test an Engine Code? 6.0.1 1) Find the vehicle’s OBD port; 6.0.2 3) Enter your vehicle’s information; 6.0.3 4) Read codes on the computer; 6.0.4 5) Record the codes that appear; 6.0.5 6) Understand the code meaning; 6.0.6 7) Erase the Code; 7 FAQ Section. 7.1 What is engine code 7E8? 7.2 What is engine code 7E9? 7.3 Is the Engine ...The code is a menu of systems that the OBDII scanner can access. OBDII scanner interprets the code and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System
Apr 28, 2022 · The 7ea engine code chevy silverado isn’t actually a malfunction code. This 7ea trouble code will be shown when the OBD scanner requires additional input, for example, information about the kind of elements being examined. . Teacup puppies for sale under dollar100 dollars near me
When you connect an OBD-II scanner to your vehicle and select the “$7E8: Engine” option, you’ll see a page containing trouble codes related to your vehicle’s engine. These codes indicate that there’s a potential problem in the engine that you need to fix. Aug 27, 2018 · I have a 2007 CHevy Impala 3.5 lt engine. The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks. Feb 7, 2014 · $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. The $7E8 code typically refers to the engine, while the $7E9 code refers to the transmission. These are CAN codes so you have a PCM or BCM that is not working but I have seen these cars needing a TIPM which is easy to replace because it self initializes.Jul 30, 2020 · If You have a code 7E8 that means that there is a problem somewhere within the engine. You will need to use a more advanced scan tool to read the rest of the code to help pin point the problem. Frequently it is a catalytic converter problem though on BMW vehicles. Code 7E8 in a BMW means that there is a problem with the catalytic converter. My 2014 is showing these same codes. “Engine” and “transmission” are not very specific. Can’t seem to find any more information. Nov 9, 2020 #3Apr 25, 2013 · $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. Your $7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module. Codes $7E8, $7E9 and P1326? - CarGurus.caWhen you connect an OBD-II scanner to your vehicle and select the “$7E8: Engine” option, you’ll see a page containing trouble codes related to your vehicle’s engine. These codes indicate that there’s a potential problem in the engine that you need to fix. I have a 2007 CHevy Impala 3.5 lt engine. The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.$7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module.If You have a code 7E8 that means that there is a problem somewhere within the engine. You will need to use a more advanced scan tool to read the rest of the code to help pin point the problem. Frequently it is a catalytic converter problem though on BMW vehicles. Code 7E8 in a BMW means that there is a problem with the catalytic converter.Oct 29, 2017 · The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System Mar 26, 2013 · GMCustomerService · #10 · Sep 4, 2013. toddparrino said: I have a 2012 3500. A few months ago the check engine light came on. When I took it to get looked at on my local auto hobby shop, I received three codes from the shop. The codes are $7E8, $7EA, and $7EE. Sep 1, 2014 · The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks. Oct 29, 2017 · The codes are a menu of systems that the OBDII scanner can access. OBDII scanner interprets the codes and displays the menu. Some scanners can't solve these codes and show the codes instead of the interpretation. Clicking on the code menu will read the OBDII codes (e.g. P0420 or P0455), if any, from that system. Menu Code 7E8 ($7E8): Engine System The first and foremost thing that you need to do to fix the 7e8 engine code is to find the DLC, i.e., the Data Link Connector. The location of DLC will vary based on the model of Chevy that you are using. Connect the code scanner tool to the DLC port: Secondly, connect the code scanner tool with the DLC port of your Chevy.I have a 2007 CHevy Impala 3.5 lt engine. The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional. 7E8, 7EA. Cat failure. - Check the health of catalytic converter. - Check for cracks in muffler. - Check air leaks.$7E8 and the $7E9 are fuel/ air intake codes, as for the P1326 Ok, this code is set when the knock sensor detects vibrations from engine rod knock, however, it may be set falsely due to incorrect knock sensor logic programming in the engine control module.SOURCE: I have a 2008 chevy impala. The car suddenly. ur vehicle is in limp mode[ a safe mode ] which will get u home trying not to cause any damage to engine --theirs a few reasons the vehicle will do this-low oil pressure-transmission problem-have vehicle scanned most auto stores such as auto zone / advanced auto [check ur local area]do this service for free the code gives u a start point ... .