FUEL INJECTOR CHECK

2001 Jeep Laredo

Tiny

LAURAL21

October, 17, 2009 AT 8:16 AM

Computer problem
2001 Jeep Laredo V8 Two Wheel Drive Automatic 109000 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

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2 Answers

Tiny

Jacobandnickolas

November, 9, 2009 AT 10:13 AM

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.

Tiny

Jacobandnickolas

November, 9, 2009 AT 10:13 AM

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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