Car performance

AL DELEON

MEMBER
1990 MAZDA MX6
4 CYL
2WD
MANUAL
183,000 MILES

90 mazda mx6 2.2 4cyl has hesitating prob and shuts off, like a miss in the engine when traveling down the road not at a stop. Changed fuel filter that eliminated most of the hesitating but after 10 miles it started to hesitate again but not as bad.

Thursday, February 24th, 2011 AT 11:14 PM

1 Reply

RASMATAZ

MECHANIC
75,992 POSTS

Could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard it and keep testing.