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International Automotive Technicians Network
Re: p0300 misfires
Posted to Technical Discussion Forum on 2/14/2021

We had a reman engine last week had 10 psi difference in compression than all the rest. It would misfire only at RPMS less than 1,000. Keep in mind we were using a PICO Scope with a WSP transducer. WE performed a cylinder leak down test found no issues. pulled... Login to read more.