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97 drives fine but won't start unless I lay on the gas pedal

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Old 07-20-2023, 01:34 PM
  #1  
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Year: 97
Model: Cherokee
Engine: 4.0L
Default 97 drives fine but won't start unless I lay on the gas pedal

My 97 drives fine, but is having trouble starting. I can turn the engine over forever and it will not start until I press on the gas pedal a few times. Drives no problem, no torque/power problems or issues with idling. Could this be a sign of a bad CPS? That's the one thing I have not replaced in recent years.

Actually, I do have issues with idling, its not a rough idle but sometimes there is heavy vibrations when idling. To clarify, this is not a new problem, just the problems starting is new.

Last edited by Kai Demarco; 07-20-2023 at 02:45 PM.
Old 07-24-2023, 07:32 AM
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Year: 1997 (RHD)
Model: Cherokee (XJ)
Engine: 4.0 ltr
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Try priming the fuel pump a few times before you start. Turn key to On (not start) for about 2 seconds and back off. 3 or 4 times. You'll hear the pump in the back go on and off. Then start.

Does that make it start right up?
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