Question about 1997 Jeep Grand Cherokee

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Where on a 1997 Jeep Grand Cherokee Laredo are the grounds on the engine block? ie:pcm,ignition coil etc.

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The circuits you mention should be grounded to the battery through the main harness. The battery should be grounded to the engine at or close to the alternator, then the engine should be grounded to the frame then the body. Look for braided metal wiring.

Posted on Jun 06, 2010

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Posted on Jan 02, 2017

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1997 Jeep grand cherokee 4.0 engine . Seems like I get no fire engine will die out while driving sometimes will restart I have replaced the Ignition coil mod. any ideas as to what may cause shut down?


yep the pcm. heres how to test it start the jeep and then go wiggle all three wires going to the pcm one at a time. if it stalls you need another pcm. there are bad solder joints inside it

Apr 04, 2018 | Jeep Cars & Trucks

1 Answer

How do I fix Diagnostic code 351


1. Check for power to the ignition coil when cranking.

2. Check continuity between the Powertrain Control Module (PCM) and the coil on the coil ground circuit wire.

3. Check connections at the coil and at the PCM.

4. If good, replace the ignition coil.

5. If the problem is still there, replace the PCM.

Jun 26, 2012 | 1997 Jeep Grand Cherokee

1 Answer

Ive been having a lot of problems with my Jeep. its a 1997 Grand Cherokee Laredo. Ive replaced the coil already but it still picking up the code p0351 for the ingintion coil. What else is causing the shut...


P0351 Ignition Coil (A) Cyl.1 Prim./Sec. Circ Malfunction 16735 is the vehicle missing if it isnt reset code if it comes back change plugs and wires

Dec 16, 2010 | 1997 Jeep Grand Cherokee

1 Answer

1993 Jeep Grand Cherokee Laredo 4.0L 6L Auto Trans. Turns over but wont start No spark on plugs, good compression. Just put new ignition coil, rotor cap plugs plug wires. but, checked power supply to coil...


Check for a signal at the ignition coil with a node light or a 12 volt led test light while cranking. Check for a signal at a fuel injector connector jack while cranking. If both these signals are missing. Ignition and fuel signals, then the problem may be some common point. My 've will loose both these signals if there is no crank shaft signal or position sensor. CPS is on rear of engine, on transmission bell housing. Check for connections of PCS.

Sep 21, 2017 | 1993 Jeep Grand Cherokee

2 Answers

1998 Jeep Grand Cherokee Laredo 4.oL I got a code po113


Trouble Code: P0113 (4.0L L6 VIN S Auto)
IAT Sensor Circuit High Input Print this code dataprint_icon_codes.gif Number of Trips to Set Code: 1
OBD II Monitor Type: CCM Details
Indicators: MIL Details
Trouble Code Conditions:
Check with ignition on or engine running; battery voltage more than 10v; The PCM detected the IAT Sensor input was over 4.90v (exc. Dakota, Durango, Ram) or 4.98v (Dakota, Durango, Ram) for 3 seconds.

Possible Causes:
  • IAT Sensor signal circuit shorted to VREF (5v)
  • IAT Sensor signal circuit is open, or the ground circuit is open
  • IAT Sensor is damaged or it has failed (an internal open circuit)
  • PCM has failed


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Dec 01, 2009 | 1998 Jeep Grand Cherokee

1 Answer

1996 Jeep Grand Cherokee Laredo won't fire. Was


check the cam sensor and crank sensor, also is the distributor turning,possible distributor gear pin broke

Nov 08, 2009 | 1996 Jeep Grand Cherokee

2 Answers

My 1997 Jeep Grand Cherokee cuts off while I'm driving.


If you have zero oil pressure thats a BAD sign, first have a mechanic check what the engines actual oil pressures are.



Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c

Oct 31, 2009 | 1997 Jeep Grand Cherokee

1 Answer

Ignition coil???


If the back area of the engine is dirty / guncked up, clean it up, may be blocking a sensor

Apr 28, 2009 | 1993 Jeep Grand Cherokee

1 Answer

1993 jeep grand cherokee laredo 4.0 no spark


First I would change the plugs, wires, distributor, and rotor button next I would make sure the firing order is correct then have timing checked if all check out have the cylinders tested.I hope this get your Jeep up and running. Please Rate Me . And you can always ask me wutxtye0rjd9d9ekmodqt1eoxkvn9hr9qjz1l3dabggyud7sdgr36czsrfxqenadhnijx9nfayi+sz1sug0aaaaasuvork5cyii=

Apr 26, 2009 | 1993 Jeep Grand Cherokee

1 Answer

1993 JEEP GRAND CHEROKEE LAREDO- TRUCK WONT


OK...I have a 93 outside...one diagram I have shows an ignition module next to coil...but there is none on mine, (4.0 engine)
Two items to check are crank sensor and cam sensor inside distributor. Test procedure can be found in just about any manual including haynes.
You will need a decent volt/ohm meter to do testing. You can also check codes by turning ignition switch on/off three times, leaving it on the third time. Check engine will flash code #'s (ex: one flash, pause two flashes= the number twelve.then followed by a longer pause then another set of flashes etc.)

Mar 05, 2009 | 1993 Jeep Grand Cherokee

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