Question about 2002 Jeep Grand Cherokee

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P1763 and p0303 codes for my 02 jeep grand cherokee. car is super sluggish and shakes when gets to 50mph.

Check engine light just started blinking. but stops and stays on only when not moving.

Posted by Anonymous on

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  • Jeep Master
  • 1,326 Answers

P0303 cylinder 3 misfire
P1763 skip shift solenoid circuit
A blinking check engine light usually means exhaust system

Posted on Apr 25, 2015

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  • Jeep Master
  • 20,706 Answers

No engine stated.??????????
303 is gross misfire on #3 cylinder. on all cars.
its a for sure thing, means bad combustion on #3 and its power is weak. 1763 is tranny The 7 means that. and is problem2.

ever get a 60k miles tunup this decade?
sparks plugs, spark wires, filters, air and fuel>?
spark plugs dont last life of any engine.
THE CEL blinking (oper guide tells) means that misfire
is burning the CAT converter to a crisp. (raw fuel + air does that)
the opr. guide says get it serviced, fast, dont drive fast or tow anything. all great advice in the glove box.

get a cheap tuneup, and magic can happen in most cases.
misfire has many causes. over 20.
but a tuneup not done, is 99% cause. (due to nobody doing them)
only fate , determines truth, not statistics....
for example you sucked a valve on #3..

if the new spark parts dont fix #3 a compression tests is next.
or an injector balance test say from #3 to one other injector.
all this is like 1hr work, but no engine stated, so.....

Posted on Apr 24, 2015

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Jeep Hesitates. P0303 code

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

Posted on Sep 17, 2008

Mikey108
  • 475 Answers

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

dsacco86
  • 1077 Answers

SOURCE: I have a ODB II code reader giving p1763, p1762, p0303

Your right about the two codes. It's really a transmission part.
As soon as you open up the transmission pan, it right there.
f0d99d5.jpg But, I would leave this up to a transmission place. It may need a special type of calibration tool for the new sensor.

As for PO303, that is a missfire in cylinder #3

I hope I answered your question.

Posted on Mar 27, 2009

  • 52 Answers

SOURCE: 96 Jeep Grand Cherokee diagnostic codes P1762 and

governor pressure sensor in transmission is the likely problem

Posted on Nov 22, 2009

ZJLimited
  • 17970 Answers

SOURCE: Jeep Grand Cherokee 1997. Getting check engine

Code 12 = Recently disconnected battery

Code 14 = Coolant sensor high resistance or shorted

Code 43 = Knock sensor or Electronic spark control circuit fault

Code 55 End read code.

Hope helps (remember rated this).

Posted on Jun 12, 2010

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Check engine light on,1997 Jeep Grand Cherokee,4.0 six cylinder.code 1757.cleared code,comes back on after a few minutes of driving. Trans is sluggish,when pulling out,after a complete stop.


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1999 jeep cherokee 6 cylinder engine light


1.Plugs
2. Vacuum leak
3. Injector fault
4. High or low fuel pressure.
Thats the list of things to check.
This is a #3 cylinder misfire.
There is also TSB about #3 injector needing added heat protection. This could definitely be the cause. I start at plugs and go from there.
Hope this helps.
Thank you,
Lee

Dec 12, 2009 | 1999 Jeep Grand Cherokee

1 Answer

I have a ODB II code reader giving p1763, p1762, p0303


Your right about the two codes. It's really a transmission part.
As soon as you open up the transmission pan, it right there.
f0d99d5.jpg But, I would leave this up to a transmission place. It may need a special type of calibration tool for the new sensor.

As for PO303, that is a missfire in cylinder #3

I hope I answered your question.

Mar 27, 2009 | 1999 Jeep Grand Cherokee

2 Answers

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.

Feb 22, 2009 | 2002 Jeep Grand Cherokee

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Car engine light on light blinking shaking over due for oil chang


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Dec 16, 2008 | 2001 Jeep Grand Cherokee

1 Answer

Jeep Hesitates. P0303 code


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

Sep 17, 2008 | 2001 Jeep Grand Cherokee

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