![]() ![]() If all else fails, they may need to replace the turbocharger or supercharger assembly. In order to diagnose and repair the issue, a technician will need to check for any system leaks, faulty sensors or wiring issues, or any other potential causes. In most cases, this will cause the vehicle to experience reduced engine performance and/or increased fuel consumption. This code is triggered when the PCM detects that the turbocharger or supercharger system is not providing enough boost pressure to meet the desired engine output. SCITOO Engine Valve Cover with Gasket Replacement for Buick Encore Abarth Volt Chevrolet Cruze Sonic Cadillac ELR 2011-2017 Valve Cover Gasket Set : SCITOO 55573746 Engine Valve Cover with Gasket 2011-2016 for Chevrolet Cruze 1.The P0299 code on a Buick Encore is an indication of an underboost condition detected by the vehicle’s powertrain control module (PCM). SCITOO Engine Valve Cover with Gasket Replacement for Buick Encore Abarth Volt Chevrolet Cruze Sonic Cadillac ELR 2011-2017 Valve Cover Gasket Set : SCITOO 55573746 Engine Valve Cover with Gasket 2011-2016 for Chevrolet Cruze 1.4L l4 DOHC for Chevrolet Sonic for Buick Encore for Cadillac ELR Valve Cover Gasket Set: Home Improvement SCITOO Engine Valve Cover with Gasket Replacement for Buick Encore Abarth Volt Chevrolet Cruze Sonic Cadillac ELR 2011-2017 Valve Cover Gasket Set Any advice would be helpful and I'll do my best to recollect if any questions are asked. I'm not sure if I messed anything up during the valve cover replacement but I made sure to stay very vigilant while doing and noticed no red flags. I'm tired of throwing money at it and I'm trying to avoid the costly price of taking it to the dealership. I'm at a loss, I'm pretty stumped and my car hasnt been driven for over a month now. OEM MAF sensor (Bosch) same as the one that came out, plugged it in and still misfiring. So logically I assumed it was just a bad MAF sensor and went to buy a new one. When he did that it would drive with no jerking but the engine fan would stay on and the car would run at about half the normal operating temperature. ![]() The only thing that made a difference and stopped the misfiring/jerking was unplugging the Mass Airflow Sensor. Had the throttle body cleaned, no luck so I just replaced with a new one, still misfiring. I was also having the P0299 code (Underboost) and had him replace my turbo, hoping that was a reason behind the misfire, no luck it was still misfiring. The mechanic was stumped and also couldnt figure out the reasoning behind the misfire. I must mention before the valve cover replacement I was never experiencing any misfiring issues. I did a compression test before having the car towed and all 4 cylinders held between 175-180. It got bad enough over the next few days after the replacement of the valve cover it started throwing P0300 and I stopped driving the car and had it towed to a home mechanic. Withing the next day or so I could feel it while lightly driving down the street under light load of around (2-3k rpm/15-20mph). It started off lightly, only noticed when I would climb hills or under load 4-5k rpm. After that I noticed I had a slight misfire. Other than that the valve cover replacement went smoothly, I followed all the directions from a thread on here and put it all back together. The boot for that hole was also in bad shape so I did end up replacing all 4 spark plugs (ACDelco 41-121) and also a new coil pack (ACDelco D521C). ![]() When I went to take the coil pack out during the replacement process, one of the spark plugs was covered in oil. Heres a few details of the valve cover replacement. I recently had to replace my valve cover in late November 2019 and since then I've had a misfire with CEL code P0300 (Random misfire Detected). I have a 2015 LTZ 1.4 Turbo with 123k miles. Hello everyone, please take a moment to read, I'm sorry for the lengthiness but I'm making sure to give as much detail as possible.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |