Edmunds Answers


  • MrShift@Edmunds 03/08/11 10:58 am PST

    It's hard to say what's causing this...the general rule of thumb is that 10 psi per 10 miles per hour is the high limit, so you are over that with 80 psi at 60 miles per hour.

    My first guess would be a bad oil pump relief valve. My second guess would be severe oil sludge in the engine.

    Other guesses would be the wrong weight oil or the wrong oil filter.


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