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1996 Mazda Protege Repair Question


Topics covered: Engine, Air filter, Check engine light.
Mileage: 220,000 miles.

Asked on October 18, 2012

Mazda Protege Engine Problem

Black soot in tailpipe and all over back of car has new plugs wires cap rotor fuel and air filter runs a little rough still no check engine light no stored codes seems to be running rich and don't know why.
Avatar Asked by (pending member)

Answer

Replied on October 21, 2012

Check the engine compression, fuel pressure regulator and ignition timing.
Ensure air filter is not clogged.
Check Engine Coolant Temperature performance.

Tiny Answered by KHLow2008 (expert)
40,332 answers provided