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Old 02-13-2011, 01:28 PM   #1
Crawler92's Avatar
Join Date: Nov 2010
Location: Columbia, SC
Posts: 8
Question Looking for an Engine Position Sensor Diagram

After most cold starts (and before she warms up completely), my '92 likes to hiccup while revving her own motor and then stalls. I've done enough research to know that my TPS and EPS are the main causes of these symptoms in the YJ. I replaced the TPS yesterday and have yet to test it, but I already bought the EPS and want to install it to be sure.

Can anyone post a diagram of where exactly the sensor is located and maybe steps for installation?


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Old 02-13-2011, 01:45 PM   #2
Rusty Knutt's Avatar
Join Date: Jan 2011
Location: On the edge of insanity, Outside the bounds of Reason.
Posts: 365
Top of the bellhousing in the most difficult place to reach...have fun... plus side if it fixes your issue it'll run like a brand new jeep

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Old 02-13-2011, 02:04 PM   #3
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Join Date: Nov 2010
Location: Columbia, SC
Posts: 8
NOT the TPS...

Okay, so I just took the YJ out for a tester after replacing the TPS and the same issues occured from a cold start. Cranks up just fine, loses power in 2nd and then the tachometer goes berserk and she stalls.

So Rusty I guess I'm going in deep.

Again, I'm looking for the Crankshaft Position Sensor diagram, 4.0 ci
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