1989 JEEP YJ WON'T START

  • Tiny
  • Captain9998
  • 1989 Jeep YJ

Engine Performance problem
1989 Jeep YJ 6 cyl Four Wheel Drive Manual 183957 miles

I have a 1989 Jeep YJ. 4.2 L with Mopar multipoint fuel injection & electronic ignition. Ran normally when I parked it a couple of weeks ago. Now cranks over normally but won't start. I'm getting fuel to fuel rail with good pressure. Spark plugs get fire. I unplugged wire from fuel injector solenoid & get 12 volts with key on & during cranking. Any ideas?

Monday, September 6th, 2010 AT 7:46 PM

1 Answer

  • Tiny
  • rasmataz
  • Member

Check the fuel lpressure if its within specs if okay make sure the injectors are pulsing

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Monday, September 6th, 2010 AT 11:23 PM

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