Question about Charging & Starting Systems for Jeep Cherokee 2 Door

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My jeep cherokee 2.5 CRD has no pulse at the injectors as a result it is just cranking

I recently had my jeeps starter and glow plugs changed, the mac left the battery out for 2 weeks and now the car wont start. I have no pulse at the injectors. pressure is good. already checked the cam sensor and crank sensor, checked all the wiring no problems with that. but the car just cranks. any help please

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Posted on Jan 02, 2017

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SOURCE: alternator for 2005 jeep limited grand cherokee

you can log on to and find the exact alternator that you need even a battery, and its pretty easy to replace i just reciently replaced mine by myself, it only takes about an hour if you have the tools

Posted on Feb 08, 2009

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SOURCE: 1996 Jeep Grand Cherokee No Start

I would be thinking that there is a good chance that you need to be checking out replacing the computer, if you aren't getting any communication with the proper scan tool then the computer isn't communicating with anything in the vehicle...... I would have guessed first off that the ignition control module might be bad but that is obviously part of the computer also, I would be looking in that direction.

Posted on Sep 19, 2009

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SOURCE: 93 jeep cherokee country 4.0

Hello crichardson.

OK, here are all the things to check for.
Spark on all ignition wires,
compression test all cylinders,
ignition timing,
good fuel(not old or contaminated),
injectors firing (have voltage pulse).

Is the crankcase flooded with fuel? Smell the oil. Drain it if it's full of gasoline and put in fresh oil.

I have seen spark plugs that have been flooded that won't fire, even if they look clean.

If the distributor cap and rotor are old...toss them, they are cheap to buy new. Old ones can crossfire internally and rotors can short to ground.

Putting your fuel pedal to the floor while cranking shuts off the fuel injectors. This is called "clear flood mode"
I am telling you this for two reasons.
One that it may be handy to get it started and two to tell you that a shorted throttle position sensor can cause a no start.

Are there any codes stored in the computer? If there is, start there. It may lead you to your no start issue.

There you are, a few ideas, I hope that one of these helps get you running again.
Thank you for using FixYa.


Posted on Nov 28, 2010

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SOURCE: 97 jeep Cherokee sport no start turns over but no spark on fuel an no gages work what could it be already changed crank sensor

sounds like a crank sensor to me it is located on the bell housing of the transmission on drivers side near the top

Posted on Feb 05, 2015

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SOURCE: 99 jeep grand cherokee cranks but wont start replaced crank sensor new fuel filter ..still wont start pressure is good please help

that's tough luck sounds like the computer is bad to me

Posted on Feb 16, 2015

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