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1994 Ford Explorer engine runs rough, no power

Tiny
TSTA02
  • MEMBER
  • 1994 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 176,000 MILES
Slight miss at idle, no power throughout driving, almost stops when pulling hill then downhill runs smooth when less pedal pressure. Have replaced plugs wires, coil pack air filter fuel filter, fuel pump checks ok. Replaced computer, crankshaft sensor ok, code 332, relpaced egr, vacume switch and pressure sensor, maf sensor. Catalytic converter ok, replaced temp sensor, injectors working, nothing helps
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Thursday, April 15th, 2010 AT 8:41 PM

3 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Have you performed a compression test? 176,000 it's not unheard of to need engine repair...
https://www.2carpros.com/dia/how_to_check_compression.htm
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Friday, April 16th, 2010 AT 10:34 AM
Tiny
TSTA02
  • MEMBER
  • 2 POSTS
Engine commpression is within secs, uses 1 qt oil between changes
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Friday, April 16th, 2010 AT 11:11 AM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
I can't really say about the oil use, manufacture's say 1 qt per 2000 miles is OK, I think it's indicative of oil ring problems. What was the compression readings?
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Friday, April 16th, 2010 AT 11:24 AM

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