Question about 2001 Jeep Cherokee

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Automotive electrical Our 2001 jeep cherokee has no spark or power to the fuel injectors

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  • James
    James Dec 19, 2008

    G'day darrelliz, did that fix your problem as I have the same issue now? If not what did? Thanks, James.

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Without actually looking at the jeep, this is a shot in the dark. Replace the crank sensor (if it's bad, you will get no spark or fuel pulse). It is located on the tranny bell housing on the left side.

Posted on Dec 02, 2008

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Posted on Jan 02, 2017

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1 Answer

Misfire p0303


it means only, that combustion energy on cylinder 3 is weak.
it can be :
bad spark. #3
bad fuel ratio (lean or too rich) #3 (injectors)
bad compression. #3
we find it by doing tests, with simple tools

do you want guess or test?

Apr 05, 2014 | 2001 Jeep Cherokee

1 Answer

Jeep cherokee missing


;-) search party. Depends on when;
1. If on part load, but not on high throttle it is a vacuum leak on manifold between throttle body and cylinder likely at a vacuum hose for power brake, emission controls or some such.
2 If on high load:
Spark plugs, spark plug wires, injectors, low fuel pressure,

May 22, 2013 | 2001 Jeep Cherokee

1 Answer

2001 grand cherokee laredo-4.0L i6 Suddenly will not run-cranks fine. when I spray some starter fluid on the air filter, it will start immediately and will run for 2 or 3 seconds. I checked the fuel...


Have you tried reading the trouble codes from the ecu to see what's actually gone bad? A bad crank sensor will not allow the ecu to pulse the injectors and spray fuel.

Sep 09, 2011 | 2001 Jeep Grand Cherokee

1 Answer

P0202 AND P0302 ERROR CODES. CHANGED SPARK PLUGS ALREADY, BUT THAT DIDN'T FIX THE PROBLEM. JEEP FEELS LIKE IT'S PULSATING WHEN IT'S STOPPED BUT RUNNING. FEELS LIKE IT IS STRUGGLING FOR POWER WHEN...


P0202 is cylinder 2 injector circuit malfunction. And P0302 is cylinder 2 misfire.

The # 2 fuel injector is the problem not the spark plug.
Check to make sure the electrical connector is still plugged in to the injector. The injector is right below the the #2 plug. If you have an electrical tester check the Ohms between the two contacts on the injector. It should be around 12.
Another way to check your injector before you spend the money is to switch two of them. Just make sure that you get yourself a manual. It will guide you through the injector removal better then Something like this.
If it's any consolation I have a similar problem P0202. Unfortunately I have no compression in # 2 cylinder which means a possible blow head gasket. I'll be happy to trade you.

Good luck



Sep 03, 2009 | 2001 Jeep Cherokee

4 Answers

No spark and no gas now what


Hi,

If you have no spark and no fuel pump operation,I would strongly suspect the Auto Shut Down relay.
The Auto Shut Down (ASD) Relay supplies power to the ignition coil, fuel injector, electric fuel pump, and the oxygen sensor heater element as long as the key is in the START or RUN position and the Single Module Engine Controller (SMEC) is receiving a reference signal from the distributor.
If the SMEC receives no distributor reference signal for two seconds or more the SMEC interrupts power to the ignition coil, fuel injectors, electric fuel pump, and the oxygen sensor heater element by removing the ASD relay ground.

Thanks for contacting Fixya.

Jul 26, 2009 | 1996 Jeep Grand Cherokee

3 Answers

1998 jeep grand cherokee will not start


Try resetting the asd "auto shut down fuse had a similar problem the jeep would crank but did not get spark or gas also check your fuel pump? and the asd relay may be bad it will prevent the jeep from getting no spark and will not fire some jeeps have security problems

Jun 25, 2009 | 1998 Jeep Grand Cherokee

1 Answer

Got spark but fuel injectors not working


Does ful\el pump run? have you checked fuel pressure and delivery?

Jun 20, 2009 | 2000 Jeep Cherokee

1 Answer

Doesn't start on first turn, by 2nd or 3rd starts. Idles rough.


Battery should be around 12V the alternator puts out 14V. Sounds like a fuel problem, leaking injectors or injector's O-rings. Weak or faulty fuel pump, clogged fuel filter, faulty fuel regulator. Try this, when starting the car while cold. Put the key all the way to the ON position, wait five to ten seconds then crank the car to start. It should start the first time the longer you give it the more fuel pressure there will be to start the car.

May 15, 2009 | 2001 Jeep Grand Cherokee

1 Answer

2001 jeep Grand Cherokee fuel injectors


check the injectors on that bank for pulses.. a regular 12v text light will do it should flash when cranking... its very possible that the crank sensor or camshaft sensor on the replacement engine is bad and giving you all the problems you have now.. are you using the original injectors? if you have injector pulses then check the coil for pulses the same way.. btw make sure you have 12v to them even before cranking engine could be a bad asd relay..wet plugs on one bank would also indicate a possible leaking injector and basicly draing the fuel starving the oposite bank for fuel.. to verify that the rail must be lifted by removing all 4 bolts make sure the clips hold the injectors firmly and turn the key to run but dont crank it then look for fuel leakin from bottom of injector(s) any drips is a bad injector..

Jan 28, 2009 | 2001 Jeep Grand Cherokee

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