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2006 Buick Rendezvous engine miss firing (car bucking)

Tiny
ST1ROGUE
  • MEMBER
  • 2006 BUICK RENDEZVOUS
  • 3.6L
  • V6
  • FWD
  • AUTOMATIC
  • 139,000 MILES
Engine miss firing (car bucking) between 45 to 60 MPH (or 1500 to 2000 RPM) in overdrive if I put it in D3 to drive engine RPM are at 2000 + and I do not feel any bucking or miss firing, have switched out ING. Solenoid and the PTrain solenoid still have problem, have you come across this before?
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Tuesday, March 25th, 2014 AT 9:49 AM

4 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Any codes in the computer? Also have you tried unplugging the egr to see if the problem goes away?
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Tuesday, March 25th, 2014 AT 8:32 PM
Tiny
ST1ROGUE
  • MEMBER
  • 3 POSTS
I think that it happens so quick and short period of time that the computer doesn't perceive it is a critical error, because I don't have a check engine light, the only one I have had was a loose gas cap.
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Tuesday, March 25th, 2014 AT 9:13 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
I have seen bad egrs not set codes and have symptoms like that. That's why I asked if you tried to unplug the egr valve to see if the problem goes away.
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Tuesday, March 25th, 2014 AT 10:08 PM
Tiny
ST1ROGUE
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I will give it a their and get back with the result.
Thank you
Chet
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Wednesday, March 26th, 2014 AT 2:35 PM

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