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2005 Pontiac Montana ECM?

Tiny
MARKELLIOTT
  • MEMBER
  • 2005 PONTIAC MONTANA
  • 3.4L
  • V6
  • FWD
  • AUTOMATIC
  • 100,000 MILES
After running a few minutes the engine starts to skip, buck while driving down the road, wants to stall. Replaced tps and ran great for day, then back to running bad again. Highway drining is a real chalenge with constant buckng
Saturday, February 15th, 2014 AT 8:43 AM

1 Reply

Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
If theres no engine light on the id check the transmission fluid. Check it on level ground in park at idle at full operating temperature. Also check the air filter. If those are good then listen for a hissing vacuum leak at idle
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Saturday, February 15th, 2014 AT 5:23 PM

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