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Driveability concern

Tiny
DAVIDSLOTT
  • MEMBER
  • 1996 JEEP GRAND CHEROKEE
  • 152,000 MILES
96 Jeep Grand Cherokee, 4.0 I6, stumbles, hesitates, backfires, no power, poor fuel mileage. Check engine light just came on and code P0132 is the only code. This indicates a bad O2 sensor, what else should I check?
Tuesday, October 16th, 2012 AT 3:31 AM

5 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Does it idle smooth?Does it sound like the engine is backing up?Is there a lot of exhaust coming out of the tail pipe?
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Tuesday, October 16th, 2012 AT 3:56 AM
Tiny
DAVIDSLOTT
  • MEMBER
  • 3 POSTS
Usually only acts up for about 15 minutes or so when cold, idles fine but when pressing accelerator it bucks sputters and backfires. Will occasionally do it when decelerating to a stop after warmed up, then idle seems to lope when in gear but will rev smoothly with accelerator when in neutral. Seems to emit about the normal amount of exhaust.
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Tuesday, October 16th, 2012 AT 4:06 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
When it starts up cold is there a lot of smoke from the tail pipe?If so what color?
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Tuesday, October 16th, 2012 AT 5:57 PM
Tiny
DAVIDSLOTT
  • MEMBER
  • 3 POSTS
No smoke, just normal water vapor. Idles fine when cold doesn't start acting up until throttle application under load.
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Tuesday, October 16th, 2012 AT 7:08 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
I would get a back pressure test done could have a plugged cat.
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Tuesday, October 16th, 2012 AT 8:13 PM

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