post #1 of Old 02-16-2013, 12:23 PM Thread Starter
HRepp89
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1996 ZJ 
 
Join Date: Sep 2011
Location: Lewisville
Posts: 4
HELP! 1996 Jeep Grand Cherokee Laredo

Hello all,

The other day my jeep stopped running on the way to work. Seeing as how I had a full tank of gas but the gauge showed E I figured it was the fuel pump.

We replaced the fuel pump and got everything hooked back up.

Unfortunately I am still having the same problem. I can hear the pump running however the gauge stays on E and the engine cranks but will not start - and now it turns out the engine isn't getting any spark.

I have seen some people suggest the crankshaft position sensor to be the issue. I unplugged the sensor however the gauge still shows E and the engine is not getting any spark.

I have no idea what it could be. Anybody have any suggestions?

Thanks in advance!

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post #2 of Old 02-16-2013, 12:51 PM
ZeeJay1997
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1997 ZJ 
 
Join Date: Dec 2008
Posts: 8,550
Does your check engine light come on for 3 seconds when the switch is in the ON position?

If not check for blown fuses in the fuse box under the hood, if fuse is blown, Check under the vehicle for damage o2 sensor wiring, this will blow your PCM fuse... or worse, zap the PCM.

let us know what you find.
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post #3 of Old 02-20-2013, 10:08 AM Thread Starter
HRepp89
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1996 ZJ 
 
Join Date: Sep 2011
Location: Lewisville
Posts: 4
Wish I would have seen this post sooner! We gave up and had it towed to a local shop. Turned out to be the O2 sensor shorting out causing the auto shutdown system to engage.

Now here's hoping the don't charge me an arm and a leg on labor for a $50 part.

Thanks for your reply!
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