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2002 buick rendezvous motor shuddering problem.


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tayzen
Novice

Jul 26, 2010, 12:56 PM

Post #1 of 6 (1794 views)
2002 buick rendezvous motor shuddering problem. Sign In

2002 buick rendezvous
v6
5000 kms on rebuilt motor.

just today buick had a shudder in the motor when rpm went over 2500. feels like motor starving for fuel. If u slowwly accelerate doesnt seem to happen. if in park and iddle motor up to 2500 starts to shudder.
let sit for 5 minutes and tried again now it doesn't do it. anyone have an idea. the other thing i'm thinking is could it be a spark plug wire touching the rear exaust maniffold and melted through.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jul 26, 2010, 1:04 PM

Post #2 of 6 (1792 views)
Re: 2002 buick rendezvous motor shuddering problem. Sign In

Well, are any wires touching the manifold?



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



tayzen
Novice

Jul 26, 2010, 1:13 PM

Post #3 of 6 (1787 views)
Re: 2002 buick rendezvous motor shuddering problem. Sign In

sorry havent looked yet going to look tonight just wandering if it could have been a cause.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jul 26, 2010, 1:32 PM

Post #4 of 6 (1779 views)
Re: 2002 buick rendezvous motor shuddering problem. Sign In

That or 100 other possibilities........



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Loren Champlain Sr
Veteran / Moderator
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Jul 26, 2010, 6:11 PM

Post #5 of 6 (1771 views)
Re: 2002 buick rendezvous motor shuddering problem. Sign In

tayzen; This vehicle has misfire detection. You should have a check engine or service engine soon lamp illuminated? If so, have the code(s) retrieved and post them, here. Most larger parts stores will do this for free.
Loren
SW Washington


tayzen
Novice

Jul 27, 2010, 4:15 PM

Post #6 of 6 (1757 views)
Re: 2002 buick rendezvous motor shuddering problem. Sign In

there was no engine light on.doesnt seem to be doing it anymore. I'll have to wait till it does it again and take it to the garage and have it computer diagnosed. In mean time going to change fuel filter. pull and inspect throttle positioning center to start. thanks for the advice. If there is something else i could check without a computer id be greatfull for the help. tks.






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