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LACK OF PICKUP--AGAIN

  • emo666
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5 years 11 months ago #33914 by emo666
LACK OF PICKUP--AGAIN was created by emo666
BACK AGAIN--PROBLEM WITH 1989 FORD RANGER 2.9-- "OBD 1" DIAGNOSTIC SYSTEM. DOGS DOWN WHEN ACCELERATING--RUNS FINE -STARTS FINE- NO ENGINE LIGHT--NO CODES. REPLACED MAP SENSOR -- RAN GREAT FOR 2 WEEKS-- BUT SLOWLY REGRESSED BACK TO NOT ACCELERATING AND SHIFTING HARD. (AUTOMATIC). ONLY 92000 MILES --ALREADY REPLACED DISTRIBUTOR MODULE--MAP- FUEL PUMP PRESSURE GOOD. TOP SPEED 50 MPH .

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  • Chad
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5 years 11 months ago #33915 by Chad
Replied by Chad on topic LACK OF PICKUP--AGAIN
Have you checked exhaust back-pressure?
"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer."
I have learned more by being wrong, than I have by being right. :-)

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