1996 Dodge Ram Truck stutters/jerks at 3000 rpm

1996 DODGE RAM
132,000 MILES • V8 • 4WD • AUTOMATIC
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GREYYONE
  • MEMBER
  • 1 POST
The truck will jerk/stutter/hesitate whenever I really press on the gas at about 3000 rpm. I can have the truck in neutral and rev the engine to 3000 rpm and it doesn't miss or anything. I just replaced the fuel pump thinking that was my problem but the stuttering continues. I have also replaced the distributor cap, checked the fuel injectors and O2 sensors for the proper resistance. Truck runs fine if I am just barely pressing the gas but the stuttering happens when I try to pass, go uphill, or just press on the gas.
Aug 15, 2010 at 3:34 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Lack of acceleration,chugging,hesitating,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.
Aug 15, 2010 at 5:04 PM
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