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2001 Jeep Laredo FUEL INJECTOR CHECK

Tiny
LAURAL21
  • MEMBER
  • 2001 JEEP GRAND CHEROKEE LAREDO
  • V8
  • 2WD
  • AUTOMATIC
  • 109,000 MILES
I hooked up and got 3 different trouble shooting codes 3 feul injectors po204 205 206 car is missing bad. What could it be
Saturday, October 17th, 2009 AT 8:16 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
This is going to sound strange but you need to have the throttle position sensor (TPS) checked with a scan tool or lab scope.
It has been shown that a TPS with 0.02v or more may cause injector fault codes. If there is a speed control switch input to the Powertrain Control Module (PCM) that is shorted to voltage, it may cause the same problem.
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Monday, November 9th, 2009 AT 10:13 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
This is going to sound strange but you need to have the throttle position sensor (TPS) checked with a scan tool or lab scope. It has been shown that a TPS with 0.02v or more may cause injector fault codes. If there is a speed control switch input to the Powertrain Control Module (PCM) that is shorted to voltage, it may cause the same problem.
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Monday, November 9th, 2009 AT 10:13 AM

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