2004 Buick Rendezvous Q&A
2004 Buick Rendezvous Question: Engine?
I have a 2004 Rendezvous, yesterday I was driving and started losing engine power going uphill, This morning I changed the oil which needed to be changed, I took it for a test drive and it seemed the problem had gone away, 1 hour later as I was driving it did it again, I could only do about 35 MPH going uphill, will this be an engine, transmission problem? or changing the air filter will solve it, Please Help!!! - eddieyelena
sounds like a clogged cat converter . a shop can do a snap throttle test with a vacuum gauge to confirm. Roy - mastertech6371
Another possibility is a failing fuel pump, unable to provide sufficient fuel pressure or volume. Is there a Check Engine Light/Service Engine soon light on? If so codes stored in the computer of your car may indicate where the problem is. - patrick mannion
Does this estimate include the cost range for the 3.6 as opoosed to the 3.4 engine?
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For the past two days after I start my car the engine continues to rev with the rpm needle staying between the 2 and the 3. I turn the car off and try it again - the engine does the same thing. It ...