I have a 2001 Malibu 3.1 and it has a random misfire p0300. The car only misses at a certain RPM 2200. doesnt happen no less and nor more just exactly at 2200 RPM. Idles fine drives fine but as soon as rpm hits 2200 for it misfires. any thoughts?
http://www.obd-codes.com/p0300 -- check this out for possible causes and solutions. Hope it helps
still no Anwser, checked coils, wires, sparkplugs, (Maf, Map, Crank Sensors). Looked for vacuume leaks, manifold leaks, O2 sensor, what can It be!!!
Add some good fuel treatment to your gas. Bad gas will also cause a p0300 code.
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