Cavalier missing, need help.
#1
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Cavalier missing, need help.
My sister'* 00' Cavalier has a pretty nasty miss in it upon take off.. Idle is about normal, and higher RPM it smooths out, just high load/low rpm/take off.. I replaced a coil pack and plug wires last night (the other coil pack was replaced about a year ago).. Didnt seem to help at all. It was throwing a cylinder2 miss-fire code before I replaced those parts. Now throwing a random miss-fire code..
Any ideas on whats going on?
Any ideas on whats going on?
#4
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I assume it is now throwing a P300 code. On a random misfire, I would start by checking fuel pressure. When was the last time you changed the fuel filter? How about the fuel pump?
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Fuel filter not since she'* had it (3 years)
Fuel pump- We haven't, so I'd assume 135,000 miles ago when it was installed at factory
I guess and fuel pressure check is in order....
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