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1997 Ford Explorer Ignition Misfires

Tiny
RKRUSZKA
  • MEMBER
  • 1997 FORD EXPLORER
Engine Performance problem
1997 Ford Explorer 4 cyl Two Wheel Drive Automatic

I have a pushrod 4 cyl 97 Ford Explorer with 154,000 miles. It's got a rough idle and very sluggish acceleration. Replaced plugs and wires after I got a P0171 code on it, then drove it for a week and still got the same performance. Just got the P0171 code with the same misfires - 1, 3, and 6. Air filter's clean, no buildup in the intake manifold, no vacuum leaks that I can tell. Should I replace the coil? Any other ideas?
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Saturday, March 21st, 2009 AT 2:07 PM

1 Reply

Tiny
F4I_GUY
  • MECHANIC
  • 3,302 POSTS
https://www.2carpros.com/trouble_codes/obd2

Here is a link explaining that code and goes through a diagnostic procedure.

Replacing an ignition coil is not going to solve this, you may have a dirty MAF sensor that needs to be cleaned or replaced.

Hope this helps.
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Monday, December 21st, 2020 AT 11:29 AM

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