1997 Ford Explorer Engine Hesitation and Sputtering

Tiny
SPORKSAMICH
  • MEMBER
  • 1997 FORD EXPLORER
  • V8
  • AWD
  • AUTOMATIC
  • 138,000 MILES
Shortly after having work done to fix a cracked exhaust manifold, our 1997 Eddie Bauer started having major engine hesitation and sputtering under normal driving conditions.

While I was deployed my wife took it to a repair shop (after getting no help from the original repair shop) to diagnose and repair. A $500 tune up with new plugs/wires, etc. And still the problem persists. I have cleaned the MAF sensor, cleaned and checked the ignition modules (at Schucks and they did tests which they say are ok). Still the problem persists.

Next is a fuel filter replacement (which is beyond my expertise, a neighbor will help). Is there anything else to look at before the fuel filter replacement? Could bad work done replacing the exhaust manifold gasket, produce these problems? How would I check.

It threw codes a while back (P30, can't remember which) but no engine light, and no more codes recently.
Tuesday, December 23rd, 2008 AT 12:27 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Check the O2 sensor plug and make sure they plugged it back in.

If car was running good before the repair then it is most likely they dislodged or forgot to reconnect a connector (or broke one).

Have the car scanned at most autoparts stores and see if there are any history, hard, or pending codes.

Thank you for your service to our country.
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Wednesday, December 24th, 2008 AT 8:52 AM

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