Question about Buick Rendezvous

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When i turn on the it is with running high rpms

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You need to RUN the scanner /computer for easy diagnostic and fix it. Remember the electronic vehicle now is very complicated.You can have sensors+pcm+or bcm wron or faulty,etc see the diagram attachedwhen i turn on the  it is with running high rpms - 8c393f6b-d8c6-4f2e-ab63-cd9ce20d7d5d.jpg
Do not waste time +money.
God bless you

Posted on Jul 21, 2013

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