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11-09-2013, 04:23 PM | #16 | |
AF Regular
Join Date: Dec 2003
Location: Canterbury, Connecticut
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Re: 4.0 Crankshaft Position Sensor Replacement
Has anyone tried unbolting the driver's side engine mount and lowering the engine for better access?
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10-18-2015, 08:22 PM | #17 | |
AF Newbie
Join Date: Oct 2015
Location: SANTA FE, New Mexico
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Re: 4.0 Crankshaft Position Sensor Replacement
The CPS was faulty on our 1996 Jeep Grand Cherokee causing severe missing for a long time and finally ocassional stalling. The missing was most severe and the OBD diagnostic tool only pointed up cylinder misfires. However the lightbulb went on in my head when I associated another OBD failure; fuel trim = -100%. This indicated the computer was shutting off the gas due to lack of CPS pulse. Installation of an aftermarket CPS solved all issues.
I had dealers in Rio Rancho, NM state that they had seen the problem before on 4.0 Jeep and couldn't fix it . . . hmmm. |
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10-31-2015, 02:52 PM | #18 | |
AF Newbie
Join Date: Oct 2015
Location: SANTA FE, New Mexico
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Re: 4.0 Crankshaft Position Sensor Replacement
BTW the new CPS also fixed the rough idle in the AM. No longer need warm up jeep for 10 minutes in cold weather.
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