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2002 Ford Ranger maps sensor

Tiny
MPMARTIN
  • MEMBER
  • 2002 FORD RANGER
  • 4 CYL
  • 2WD
  • MANUAL
  • 92,000 MILES
Engine surges when driving in any gear at less than 2000 rpm. No surge after reaching 2000 rpm. Dealer diagnostics do not indicate electrical problem or any codes. New Motorcraft plugs and wiring harness did not correct.


If the maps sensor is not performing, will it generate a "code" to indicate a problem.
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Saturday, May 2nd, 2009 AT 5:53 AM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Did they test the fuel pump? How does it perform going up a steep hill?
https://www.2carpros.com/car_repair_video/test_fuel_injection_pressure.htm
Go here and checkout our video.
Yes some sensors can be slightly out of spec and not throw out a code.
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Saturday, May 2nd, 2009 AT 6:36 AM

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