bad idle on 3.8
06-17-2008, 01:36 AM
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bad idle on 3.8 i have a 3.8 it ran fine for a day an a half after i replaced the heads since blew a gasket ran fine for a day an a half then all the sudden its running real bad at idle scanner said its mis firing tryd all new plugs wires module map sensor crank sensor fuel filter injecter fuel pressure still runs bad its missfiring sputtering back firing i no the egr valve is bad u think that has anything to do with it? you start it all it does is shake the whoel car u rv it runs fine then to much u git backfiring an its runing real rich smell gas threw the exhaust the EGR been bad for sum time b4 i blew head gasket i also unplugged all o2 sensors ran the same
