engine code help!!!
hey there ya'll.
long time no speak. anyhow. awhile back I had a new engine installed. Two days after it began to run funny. Today finnaly it threw out an engine code. The engine code is p0300 which from what i can tell is muti cyl misfires. here are my trucks symptoms. I have been paying very close attention. When I start the truck somtimes it will start hard, as in it will jump to a start with a shutter. when I step on the gass hard it will sputer for a few seconds and then go just fine. it will NOT do it when rpm is higher then 2500. it does not seem to matter what speed i am going. if i have very steady gass it will be ok with only random shutters. if i step on it quickly it will worsen for a second and then jump to life. here is a really strang symptom. if i let the truck sit for a few days without driving it it will take a good day of driving to start acting up again, first thing in the morning when cold it is not as bad as when i have been driving around for a bit. when i first get out of the truck i can smell fuel. any info or ideas on where to start would be great. |
P0300 is random misfire. The pcm knows it's missing, but can't pin it down to a cylinder. It could be numerous causes. Plug wires, coil, intake leaks, egr gases when not needed, plugs, hard to say from reading symptoms like yours.
Robbie |
Check plug wire routing and make sure they are installed snugly and on the right cylinders.
Robbie |
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