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1993 Geo Prizm bucking

Tiny
WC STODDARD
  • MEMBER
  • 1993 GEO PRIZM
1993 Geo Prizm 4 cyl Two Wheel Drive Manual 125.00 miles

car runs fine untill normal operational is reached. Starts to buck. Checked plugs.
Tuesday, September 21st, 2010 AT 10:44 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi wc stoddard, Welcome to 2carpros and TY for the donation

Do you have a check engine light?

Lack of acceleration, chugging, hesitating, jerking, bogging, misfiring etc. 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.
False air leakage.
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.
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Tuesday, September 21st, 2010 AT 10:52 PM
Tiny
WC STODDARD
  • MEMBER
  • 2 POSTS
Moisture in the gas tank. Added bottle of moisture additive. Took care of the problin
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Tuesday, September 21st, 2010 AT 11:03 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
So much of fuel contamination

I'm glad the problem has been resolved and you coming back with the fix so that other people will learn from it-TY-Good Luck
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Tuesday, September 21st, 2010 AT 11:06 PM

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