what could cause my truck to skip at low speeds
Nov 21, 2010 at 7:07 PM
2002 dodge ram 1500
2002 DODGE TRUCK
ZACHMT389
- MEMBER
- 4 POSTS
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RASMATAZ
- ✓ASE Certified 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
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
Nov 21, 2010 at 7:11 PM
it only miss firing on number 4 and 7. done replaced coils spark plugs injectors, map sensor, abslute sensor,throttle position sensor, battery, and run fuel treatment through it.... and the compression on the motor good ... it runs good at high speeds and like crap at low speeds..
Nov 22, 2010 at 1:16 AM
RASMATAZ
- ✓ASE Certified Mechanic
- 75,992 POSTS
Check the crankshaft position sensor.
Nov 22, 2010 at 10:46 AM
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