P0300 Code The Ultimate Guide to Engine Performance Recovery

That code indicates the engine is misfiring. Does the vehicle misfire while idling or driving? Customer: Driving Mechanic's Assistant: What's the year and ... The 5/6 are specific cylinder misfires, but the P0300 random misfire had me stumped. I figured it was probably my coils, since my plugs were changed about 30k ... P0300 is a random misfire and can be a long list of causes as mentioned. It could also be just some bad gas. Clear the code and see if it comes ... Most likely a fuel injection issue. You'll need to run a diagnostic scan on it. It would also be wise to check fuel pressure and a multi-cylinder compression ... The truck runs fine, throttle response is very strong and transmission shifts OK. I believe something on cold start is causing the problem. John/Horace ... It's possibly a map sensor issue, but there should be codes showing up. They can be a wear item eventually. Good news is your ... The inspection facility determined the codes; Diagnostic Trouble Codes (DTC) P0300 through P0306 - Cylinders 1-6 Misfire detected as well as ... This code is extremely vague and lists a lot of things like fuel pump, injectors, vacuum leak and various other things as possible causes. P0300 is Random Misfire so it can be just about anything with the ignition, air, fuel systems. If one thing is off the computer catches it as ... A P0300 is usually a general electrical problem or a vacuum leak. Check the wiring harness that powers the coils for any damage and check the ...