Question about 1998 Jeep Cherokee

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Check engine light on.

1998 Jeep cherokee check engine light stays on. AutoZone computer diag says Crankshaft andCamshaft positioning sensors defective. Replaced both. Jeep Dealership $100 diag says replace Power Computer Module. Replaced light still on. Went for a state inspection and computer readout says O2 sensor not ready. Can you help me

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Replace O2 sensor. They have to be really hot in order to read right. Did you ensure to drive around a good 30 min to make it hot?

Posted on Sep 11, 2008

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I HAVE TO CHANGE OUT A CRANK SENSOR IN MY GRAND CHEROKEE.


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Check this location for Crankshaft Position Sensor...
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Fig. The crankshaft position sensor mounts to the rear of the engine block near the transmission.

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Locate crank shaft sensor on 1998 jeep grand cherokee


4.7L ENGINE CRANKSHAFT SENSOR LOCATED ON THE ENGINE BLOCK ABOVE THE STARTER. ON THE 4.0L ENGINE CRANKSHAFT SENSOR LOCATED TRANSMISSION BELL HOUSING AT THE LEFT REAR OF THE ENGINE. THE 5.2L 5.9L CRANKSHAFT SENSOR LOCATED ON THE ENGINE BLOCK BEHIND THE RIGHT CYLINDER HEAD.

Nov 26, 2010 | 1998 Jeep Grand Cherokee

1 Answer

1998 Jeep cherokee just shuddered and died when i was backing out. Possible crankshaft positioning sensor or fuel pump?? For the past week it would give me troubles starting it. It would shudder and turn...


you need to check to things out,
first is fuel pressure at thr fuel rail reed valve,you need at least 50psi for the injectors.
second have someone check the engine temp switch,to see what temp it is telling the computer your engine is.
if it tells the computer your engine temp is 65 degrees,the computer will not push as much fuel to thru injectors,when your engine is cold the computer needs to know how rich to make it for cold starts

Dec 13, 2009 | 1998 Jeep Cherokee

1 Answer

1998 Jeep Cherokee Limited 5.2 - Won't shift into drive


Check your transmission control relay, this would appear to be the fault in your system.

Oct 04, 2009 | 1998 Jeep Grand Cherokee

1 Answer

Check Engine Light


Your diagnostic about this CODE is:

Generic P-Code DRB Scan Tool Display Brief Description of DTC
P0171 (M) 1/1 Fuel System Lean A lean air/fuel mixture has been indicated by an abnormally rich correction factor.
P0320 (M) No Crank Reference Signal at PCM No reference signal (crankshaft position sensor) detected during engine cranking. P0320 (M) No RPM Signal to PCM (Crankshaft Position Sensor Signal to JTEC) A CKP signal has not been detected at th
For more details, you can visit the obd_dtc_jeep

Good luck, and rated this help.

Aug 11, 2009 | 1997 Jeep Grand Cherokee

1 Answer

1993 Jeep Grand Cherokee not getting power to coil


I don't work on Jeeps, but the Rangers have a power relay for the ignition. You might want to try asking at Autozone or O'reillys if the Jeep has any relays. It might be worthwhile to check the fuse panel to see if something blew that might control 2 or 3 things including the ignition. Hope this helps you.

Jul 19, 2009 | 1993 Jeep Grand Cherokee

1 Answer

Engine keeps missing. unknown codes


Code 1682 indicates low battery voltage. This could be a problematic alternator, which would likely cause misfiring. Autozone should be able to check this for you for free.

Code 1391 indicates the computer can not see the crank or cam sensor signal. This would likely be a result of the misfires.

Code 0320 indicates the crankshaft position sensor reference signal could not be found while the engine is cranking.

All of these issues point to either a cam/crank sensor malfunction or a charging system problem, either or both of which could cause the misfiring.

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1 Answer

'97 Jeep Grand Cherokee Ltd 4.0 liter; Will start but cuts off.


have u replaced the crankshaft position sensor? do u have any computer trouble codes? Kragen or Autozone will run the test for free.

Mar 12, 2009 | 1997 Jeep Grand Cherokee

2 Answers

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hi ,here is a list of sugestions,check for spark at the spark plug wires ,check fuel presure,try spayng a little starting fluid by the air cleaner if it starts or try to start you may have a bad fuel pump,if is not spark ,check for a bad ignition module.Good Luck

Aug 18, 2008 | 1998 Jeep Cherokee

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