1993 JEEP LAREDO WONT GO OVER 20 MPH

  • Tiny
  • Wests1994
  • 1993 JEEP LAREDO

1993 Jeep Laredo 6 cyl Four Wheel Drive Automatic 130000 miles

will not shift to second gear. Rpms goes up to high and wont shift

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Friday, July 16th, 2010 AT 9:48 PM

3 Replies

  • Tiny
  • Rasmataz
  • MEMBER

If the transmission is not slipping-see below:

Possibilities: Inspect and test all the following listed 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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Friday, July 16th, 2010 AT 10:20 PM
  • Tiny
  • Wests1994
  • MEMBER

U think it maybe speed sensor

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Friday, July 16th, 2010 AT 10:44 PM
  • Tiny
  • Rasmataz
  • MEMBER

Check and test both the throttle position sensor and vehicle speed sensor

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Saturday, July 17th, 2010 AT 1:45 PM

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