Question about 1994 Jeep Grand Cherokee

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Where is the PCM located on a 1994 Jeep Grand Cherokee 4.0 6 cly.

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  • Jeep Master
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Underhood, drivers side early firewall and coolant bottle.

Posted on Jul 28, 2010

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How to remove a dashboard from a 1994 grand cherokee


XJ 94
its not bad, wana bet? 90% are not.
(i used to fix them)
so the PCM,. the FSM book covers that.
why not read that.
JEEPJX
PCM is baD ONLY WHEN inputs good, and its outputs are bad.
(and outputs not shorted) !!!
(same or all computers on earth)
lose of power to PCM or ground
or bad power.(weak, or intermittent)


Got DTC errors , post them?
innova 3140 best bank for buck on 93-95 jeeps. !!!
that is a low priced scan tool

are you having ASD relay issues?
http://www.fixkick.com/Jeeps/ASD.html


see XJ 95 here (same i think)
http://colorado4wheel.com/manuals/Jeep/XJ/

page 8D-23
engine bay next to Air cleaner.

to diagnose any car, a real scan tool is best.
or you will need a full lab of meters and scopes. like me.
the scan tool show up things the keyon/off trick does not.
http://www.fixkick.com/Jeeps/jeeps.html#poor_mans-scan


25499888-tk5pw0guzkbs2wb12fwiwrb2-5-0.jpg

Mar 01, 2015 | 1994 Jeep Grand Cherokee

2 Answers

No power to spark plugs


you have a bad crank postion sensor . it is located on the top left side of the ****** next to the fire wall. it is a 11 mm socket and you will need a 4 foot extension

Oct 29, 2012 | 1994 Jeep Grand Cherokee

1 Answer

1994 grand cherokee has starting problem in morning changed pcm and now starts and then stalls after 2 seconds


What diagnostic procedure was used to indicate the PCM was causing this issue? Were there any DTC's found? Comment back.

Aug 13, 2011 | 1994 Jeep Grand Cherokee

1 Answer

Where is the PCM located on this vehicle


Hi.

The module is located under the hood, on top of the firewall and near to the coolant reservoir.

Here all modules. Click on the picture to enlarge:

ginko_120.jpg


Here the PCM:

ginko_119.jpg

Jul 19, 2011 | 1994 Jeep Grand Cherokee

1 Answer

Where is the PCM located on a 1994 Jeep Grand Cherokee Ladaro


Hi.

The PCM module is located under the hood, on top of the firewall and near to the coolant reservoir.

Here all modules. Click on the picture to enlarge:

ginko_120.jpg


Here the PCM:

ginko_119.jpg

Jul 19, 2011 | 1994 Jeep Grand Cherokee

1 Answer

Where is the throttle position sensor on my Jeep grand cherokee limited 6 cly. located


TPS is on the rear of the throttle body the throttle shaft that is attached to the gas pedal cable passes through the TB and goes directly into the TPS.

Sep 05, 2010 | 2004 Jeep Grand Cherokee

1 Answer

I need the firing order for a 1994 Jeep Grand Cherokee Straight 6 engine


For 1994 Jeep Grand Cherokee:
2WD and 4WD have the same
4.0L In-Line 6-Cylinder:
Firing Order:

1-5-3-6-2-4
Cylinders:
(back)
...6
...5
...4
...3
...2
...1
(front)

Distributor:
....(back)
.....5....3..(+)-screw
1.............6
(+).4....2

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

May 20, 2010 | 1994 Jeep Grand Cherokee

1 Answer

My grand cherokee 1994 engine not starting no communication with the DRB and check engine light


I assume your speaking of a automomtive scanner when you mentioned no communication. Check the fuse for you PCM, its thats good your cars computer or PCM may have failed.

Apr 18, 2010 | 1994 Jeep Grand Cherokee

1 Answer

Where is the map sensor located? 1994 jeep grand cherokee


Go half way between the air cleaner box and the "carburetor". Up the 4" black air pipe, a wire harness plug plugs into the MAP sensor there. Also called MAS air flow sensor.

Oct 05, 2009 | 1994 Jeep Grand Cherokee

1 Answer

93 Jeep Grand Cherokee Won't start


The crankshaft position sensor was seriously problematic in those old jeeps. It's located towards the top of the bell housing slightly to the driver's side I think.

Apr 15, 2009 | 1994 Jeep Grand Cherokee

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