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Cuting out an backfires

Tiny
HORNELK
  • MEMBER
  • 1998 JEEP WRANGLER
  • 6 CYL
  • 4WD
  • MANUAL
  • 143,000 MILES
I have a 1998 jeep wrangler with the 4.0, I have installed a couple years ago k&n an a throttle spacer an exhaust. Now to my question when im lugging it slightly or run it up to 3000 thousand rpms it backfires or cuts out on me it just started that this year! I have replaced the timing gear an chain pluggs an wires an cap an rottor an o2 sencer ! An it stills does it im at a lost? Thanks kevin
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Friday, July 15th, 2011 AT 12:56 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Is the Check Engine Light indicating and have you tried to retrieve for trouble codes?

Do you mean it cuts out even at 3000 rpm?
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Friday, July 15th, 2011 AT 2:23 PM
Tiny
HORNELK
  • MEMBER
  • 2 POSTS
No I havnt tried to retrive any codes! It only cuts out at 3000 rpm an backfires when at a low rpm an I stomp on it!
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Wednesday, July 20th, 2011 AT 12:40 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Is the Check Engine Light indicating?
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Wednesday, July 20th, 2011 AT 3:22 PM

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