2004 Jeep Wrangler crank/no start symptom

Tiny
TIM BUSYN
  • MEMBER
  • 2004 JEEP WRANGLER
  • 4 CYL
  • 4WD
  • MANUAL
  • 96,000 MILES
Truck lost all acceleration/power but engine did not stall/quit running. Driver shut off engine then attempted to restart. Engine would crank but not start. No evidence of fluid leakage or abnormal noises. Neighbor hooked up truck to OBD 2 scanner and found code 0340, camshaft position sensor. Replaced camshaft position sensor, and cleared code, truck would still crank and not start. Owner then replaced spark plug wires and coil, symptoms remained unchanged. Same code returned again. Could engine have jumped time? Is this engine an interference engine? I personally haven't looked at this truck, all info presented is from owner accounts. Where should we go from here? Could we have gotten a bad part? Vehicle is completely stock and well maintained. Please help.
thankyou.
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Monday, June 15th, 2009 AT 11:04 AM

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Tiny
JDL
  • EXPERT
Hello, did you check the cam sensor wiring circuit? Ref voltage--ground--signal. With the engine cranking, is there primary voltage to the coil and injectors? If not the computer may not be grounding the asd relay for some reason, a common reason is the computer may not see the proper cam or crank signal. On some systems I have heard of the crank sensor causing a cam sensor code.
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Monday, June 15th, 2009 AT 12:52 PM

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