1999 Dodge Caravan bucks while accellerating, worse w/ AC o

Tiny
ROBAM
  • MEMBER
  • 1999 DODGE CARAVAN
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 220,000 MILES
What would cause bucking while accellerating? The problem gets worse w/ ac or defosters running.
Sunday, May 30th, 2010 AT 12:01 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position 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.
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Sunday, May 30th, 2010 AT 12:54 AM

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