Question about 2001 Jeep Cherokee

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No fuel pump

I came off a curb the other day and 2 days later the Jeep will not start. I cannot hear the fuel pump run. Could this be a relay or the inertia switch? Where might this switch be loacted? The Cherokee only has 75K on it so I find it hard to believe that the fuel pump is bad.

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  • jasonbridwel Jul 28, 2009

    What are the symptom of a bad Crank Position Sensor? I have checked everything along the way of fuses and I am not getting any spark.

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  • Jeep Master
  • 6,982 Answers

Though it should not happen, it can happen...First, check to see if you have power at the pump harness. If not, check the pump relay in the power distribution center near the battery, and any attending fuses there and in cabin fuse panel.They can be tested with a test light by probing the back of each end of the fuse itself with a test light without removal. If you are missing a chart, check them all...it takes about ten minutes. Also check auto shutdown relay. Depending upon what you find we may not be finished yet, but this will get you started on testing.

Posted on Jul 27, 2009

  • Richard Scordino Jul 28, 2009

    Connect b and c terminals of cps harness to a digital volt/ohmeter. It should show no connection between them (same reading as if meter was not connected.)

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1 Answer

1988 ford mustang inertia switch locaton


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did you check all fuses with a meter ?
you are new to jeep repairs.... here are some facts.
jeeps have ASD relay.
when car dont start, see what the ASD relay is doing
do not throw parts, you picked the most hard and expensive thing to change on a lark. why do that?
the fuel pressure gauge is $20 and takes 5min to see that fuel pressure is good. not pulling the tank and pump. for fun.
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http://www.fixkick.com/Jeeps/ASD.html

automatic shut down relay.

does the relay close cranking? y/n ?
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those are the first 2 tests on all jeeps 1993 to now.

each check discovers what is wrong
so does attaching any OBD2 scan tool and cranking
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got DTC errors cranking/??

BINGO x10.

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Jeep Cherokee Sport 1993 stalls after start up fuel pump issues


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