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1990 Jeep Cherokee not sure

Tiny
RICKYBOBBY740
  • MEMBER
  • 1990 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 183,000 MILES
Well I have a 1990 jeep cherokee with a inline 6 and it runs great but every once in awhile ill give it gas and it trys to go but goes slowly then a few second it will run fine again and also when I am braking to come to a stop it wants to die please help
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Thursday, October 7th, 2010 AT 9:27 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lack of acceleration, chugging, hesitating, jerking, 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
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Thursday, October 7th, 2010 AT 10:01 PM

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