Mechanics

WHEN CAR STARTS WARMING UP THE ENGINE STARTS MISSING

1992 Mercury Tracer • 15,000 miles

It doesnt miss until it warms up
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Keni
October 31, 2011.



Refer to this link for more information:

http://www.2carpros.com/articles/engine-misfires-or-runs-rough

1.Defective spark plugs

2.Inadequate spark/coil,defective spark plug wire.

3.Lack of compression

4.False air leakage.

5.Faulty fuel injectors.

6.Insufficient fuel pressure.

7.Contaminated fuel.

8.EGR valve that is leaking.

9.Oxygen sensors.

10.Throttle position sensor.

11.Manifold absolute pressure sensor

12.Mass Airflow Sensor

13.Idle air control valve

Note: If it doesn't apply disregard it-

Rasmataz
Nov 1, 2011.