Questions & Answers for: Buick p300 code Computers & Internet

...it to the relay is bad.The crank sensor failure will set off a check engine light as the pcm will detect a variation in engine rpm and set a p300 random misfire code,or the code for the crank

...P300 that the engine detecting the condition when the mass airflow range is out, but here is another problem 1998 Buick used a back up its called a map sensor its on the top of intake plenum, make ...

Code p300 on a 98 Buick Rivera I done a dianosgtic on a Buick Riviera p300 P300 is a random multiple cylinder misfire. I would start at having your DIS module tested.

What it means code p300 Diagcostic test on a Buick Rivera p300 p0300/p300 is a indication of a random misfire

code p300 and p300pd. I know that means random or multiple misfires. It just clunks when trying to start it. Starter was replaced. sounds like blown engine --clunk possible rod or lower end failure --