![]() Based on my video above on my fuel trim reading the side 2 is higher than side 1. I did a little bit of reading on long term fuel trims last night. There is no debris and I blew compressed air in there to make sure. I did check the mass air meter after this test and it is stock with the metal seen still intact. I did not clean the mass air meter after the tune up. I have attached a video of my scan tool showing the readings of my O2 sensors. I’m hoping to run the vacuum test in the next few days along with fuel pressure test. This evening I ran the O2 test Eric ran in one of his videos to see if the cats are clogged and I’m inconclusive. At this point I believe the issue is either fuel, spark, or clogged cats. I also have 2 bi-directional scan tools I can review data. This evening I purchased a vacuum gauge and fuel pressure gauge to run additional diagnostics. ![]() I replaced the plugs and wires with Ac Delco units. The truck had a complete tune up done by me roughly 15k miles ago. The truck runs great and the light does not come on during normal driving. The issues is at highway speeds under load the check engine light will flash. Now that I have the vehicle I want to fix it. I recently received this vehicle from my brother-in-law, I have done the maintenance on this vehicle for years and have never been able to figure out the random misfire. Hi everyone, new to the forum but I have been following eric the car guy on YouTube for a while.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |