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Geo
Storm
Engine
Symptoms
Misfire
1991 Geo Storm Missing at Steady speeds
1991 GEO STORM
131,000 MILES • 4 CYL • FWD • MANUAL
WIZZY319
MEMBER
2 POSTS
FOLLOW
While I am driving at any steady speed my car misses if accelarate it does not when i decelarate it doesn't miss.
Jul 2, 2010 at 8:56 PM
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RASMATAZ
CERTIFIED EXPERT
75,992 POSTS
Engine running rough or misfiring can be cause by the following:
1.Defective spark plug
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.Idle air control valve.
Jul 3, 2010 at 8:23 AM
WIZZY319
MEMBER
2 POSTS
I was leaning more towards o2 sensor. Can you tell me more symptoms of bad o2? My car seems to only do it when it warms up.
Jul 3, 2010 at 5:11 PM
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