Question about 1996 Mazda Millenia
Vehicle runs really rough, keeps fouling out spark plugs after replacing them several times
Plugs could be wrong heat range they could be too cold make sure you have right heat range.if all is good.replace air filter.have injectors tested they could be leaking when you turn engine off.have charcoal canister check.check fuel pressure regulator for rupture diaphram.if all is good.scan it check egr valve.if stuck open a little it will cause rough running foul out plugs.
Posted on May 29, 2009
Sounds like too rich of a mixture check for vacuum leaks and check fuel press regulator
Posted on Apr 23, 2009
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Posted on Jan 02, 2017
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