Question about 2002 Jeep Grand Cherokee

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Jeep Grand Cherokee Limited 2003 P0340,P0530,P0703

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  • Jeep Master
  • 20,706 Answers

Classic set of codes. my guess, they grew that large of a long time>?
right?
but does the engine run? and have full power, you left that key fact out. Symptoms?
read page 2 of of Emissions, in the FSM , WJ jeep
what does it tell you.
340,, CMP sensor dead or misfiring grossly,
530 ,NL (not listed) in FSM page 2 (wrote down wrong or bum scan tool)

might be,, but i dont have the HVAC page.
A/C Refrigerant Pressure Sensor Circuit

703 brake switch (foot) stuck.
FSM
http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service


Posted on Apr 17, 2014

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SOURCE: i have a 2003 jeep grand cherokee 2.7crd limited

Most larger parts stores carry either chilton or haynes manuals. They are far from perfect and their wiring diagrams are pretty much junk, but overall the do have enough info for most basic and some not so basic repairs. Chilton also offers a download for pay which is better but unless you are doing major complex repair work, likely you won't need it.

Posted on Nov 12, 2009

  • 168 Answers

SOURCE: fault code p0703

P0700 Transmission Control System Malfunction
P0730 Incorrect Gear Ratio
P0620 Generator Control Circuit Malfunction
P1130 Not found
P0340 Camshaft Position Sensor Circuit Malfunction

Posted on Mar 06, 2013

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Fault code p0703


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P0730 Incorrect Gear Ratio
P0620 Generator Control Circuit Malfunction
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P0340 99 jeep cherokee code


P0340 JEEP - Camshaft Position Sensor Circuit engine cylinder Bank 1 Sensor 1

Possible causes- Camshaft Position Sensor harness is open or shorted
- Camshaft Position Sensor circuit poor electrical connection
- Faulty Camshaft Position Sensor
- Faulty starter motor
- Starting system circuit
- Dead (Weak) battery

Sometimes and in some models, low battery voltage or a weak starter can can trigger a Camshaft Position Sensor code.

Read more: http://engine-codes.com/p0340_jeep.html#ixzz25iQflrEb

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I have a 2003 jeep grand cherokee 2.7crd limited


Most larger parts stores carry either chilton or haynes manuals. They are far from perfect and their wiring diagrams are pretty much junk, but overall the do have enough info for most basic and some not so basic repairs. Chilton also offers a download for pay which is better but unless you are doing major complex repair work, likely you won't need it.

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Jeep Grand Cherokee Power Loss


a bad cam sensor will cause vehicle to shut off while driving, and cause a hard time starting. but this usually sets a trouble code p0340. scan vehicle to see if any codes come up. after it is fixed, erase codes with a obd2 scanner. if you do not have one, you can go to any auto parts store and they will erase codes for free.

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