Question about 2000 Jeep Wrangler

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2000 jeep wrangler no injector pulse

No fuel injector pulse

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Have you tested the PCM fuse??

Posted on Sep 17, 2008


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My 99 jeep roles over but won`t start?

check for spark and fuel pressure and injector pulse

Nov 09, 2009 | 1999 Jeep Wrangler

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Stalls while driving; wait 40 minutes it starts trhen stalls after 1/2 mile

you need to detemine if the problem is fuel (lack of) or ignition. Connect fuel pressure guage to fuel rail and drive and observe fuel prssure when it stalls out. if the fuel pressure stays within spec. then check for lost ign. spark and or injector pulse. If both spark and pulse are missing most likely you need a crank position sensor.

Nov 04, 2009 | 1995 Jeep Wrangler

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I have a 1990 Wrangler 2.5 m/t and I get no injector pulse when cranking. If I prime it with starter fluid it will start & run, but it will not start on its own.

Sounds like the injector pressure valve is stuck open.
This is controlled by the "injector pressure regulator". It opens up whenever the fuel pump pressure reaches spec fuel pressure.
If it is open all the time, then the fuel (via gravity) drains back to the fuel tank; hench, no gas for injectors to draw on.

Sep 21, 2009 | 1990 Jeep Wrangler

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Grand cherokee 2000 starting probs

you need to see if you have spark and check all fuses and see if you have fuel pressure and injector pulse if no spark and no injector pulse suspect crank sensor or ignition control module if no fuel pressure check fuses then relays and then suspect pump

Aug 18, 2009 | 2000 Jeep Grand Cherokee

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injector pulse occurs regardless of fuel pressure, the pump not working has nothing to do with the opening and closing of the fuel injector, which is referred to as "pulse width" and is measured in milli seconds.

Jun 05, 2009 | 1993 Jeep Wrangler

1 Answer

No injector pulse, no current to the injector

Check the pickup in the distributor as this is the cam sensor. The injectors run of the pulses created while the rotor is turning around. It should be a plastic disk located under the rotor button.

Mar 13, 2009 | 1990 Jeep Wrangler

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