HESITATION

Tiny
ROLLAND09RAMCTD
  • MEMBER
  • 1991 DODGE TRUCK
  • V8
  • 4WD
  • AUTOMATIC
  • 108,000 MILES
1991 DODGE POWER RAM W 150 RUNNNING RICH, ONCE WARM ENGINE WITH STUDDER A BIT WHEN TAKING OFF FROM A STOP OR JUST TAPPING THE PEDAL A LITTLE BIT.I HAVE REPLACED O2 SENSORS, SMOG PUMP WAS LOCKED UP AND REMOVED BEFORE BUYING TRUCK. NEW PLUGS, WIRES, AND ACCEL COIL.
Tuesday, January 11th, 2011 AT 3:04 AM

1 Reply

Tiny
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.
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, January 11th, 2011 AT 8:59 AM

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