Question about 2001 Jeep Grand Cherokee

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Check engine light still on after changing crank and cam sensors

After changing my crank position and cam position sensors my jeep runs fine but the codes still show up and check engine light is still on.

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You may need to reset the codes. Replacing the sensors may have fixed the problem but the codes will still come up until you tell the ECU that you have. An auto electrician has the correct tool to remedy this.

Posted on Dec 30, 2012

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Stop in at a nationwide auto parts store(such as Autozone,O'reilley's,Advance etc..), they all have code scanners that they will hook up,and can clear codes with. They will also tell you what new codes you have showing up so you know if there is a problem still happening.

Posted on Apr 14, 2015

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SOURCE: Jeep Hesitates. P0303 code

Check the cylinders Commpression. over 115 psi is good, 120 psi is normal.

Posted on Sep 17, 2008

Mikey108
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SOURCE: 2002 Jeep Grand Cherokee Lardo misfiring

You say you changed the cam sensor. A1391 code is a crank sensor on the top of the trans. bell housing.

Posted on Feb 24, 2009

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SOURCE: 1999 Jeep Grand Cherokee Laredo won't run

if ur jeep has central lockin lock it and then unlock it ..........she might b sucking air inn

Posted on Feb 26, 2009

crayzeetrayn
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SOURCE: 2001 Jeep Grand Cherokee code P1391

I would check to be sure that the timing chain hasn't jumped at all ..

Posted on Mar 25, 2009

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SOURCE: jeep wrangelr Crank Position Sensor

wall5552: there were two engines used in 1992 Jeep Wranglers.
A 2.5 liter and a 4.0 liter. HOWEVER>>>> The location for the crank angle sensor is the same for both.
It is located on the bell housing up near the front at about the 10:00 PM position.
The Cam position sensor is located in the Distributor on both engines as well.

Posted on May 10, 2009

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