1991 Dodge Dakota engine surges and misfires at highway spe

241,000 MILES • V8 • 4WD • AUTOMATIC
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BAJA51
  • MEMBER
  • 1 POST
have replaced the throtle position sensor no change. it also comes out of o/d and tach goes crazy
Feb 18, 2010 at 4:33 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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.
Feb 18, 2010 at 4:47 AM
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