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1999 Dodge Ram bucking

Tiny
AJONES27
  • MEMBER
  • 1999 DODGE RAM
Shakes or Wobbles problem
1999 Dodge Ram V8 Four Wheel Drive Automatic

when I drive the truck and reach 55 mph and over if I stay on the gas it wont do it but when I let off the gas to maintain a speed the truck starts to buck. I have changed the fuel pump plugs wires cap rotor and have put a new trans can you please help me
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Tuesday, April 13th, 2010 AT 10:15 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test all the following listed below and get back with some results

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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Wednesday, April 14th, 2010 AT 2:13 AM

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