2001 buick regal 3800 v6 bucking and clucking, )


Old 10-16-13, 10:13 AM
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2001 buick regal 3800 v6 bucking and clucking, )

Just found a project car to play with for a friend in need of basic transportation.

A 2001 buick regal with a V6 3800, the engine runs fairly normal on idle, on cold start, it is a little choppy, but once it warms up it runs better at low idle up to about 2500, above that and you get a real whopper of a mess.

Here is a video in case someone out there has seen this and found the cure.

buick - YouTube

Checked Air filter, (needs replacement) checked plugs (needs replacement)

checked MAF, appears to be newly installed.

Checked for collant leak, (not obviously leaking) no pressure test as yet.

I am going to replace the air filter and plugs and plug wires and test again but in the time being thought I would put this out there to see if someone had a thought or idea.

Really hoping to avoid the UIM LIM situation.
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Old 10-16-13, 08:26 PM
iceman681's Avatar
Join Date: Jul 2012
Location: United States
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sound like you are hitting the rev limiter. the computer is pulling spark to reduce the chance of engine damage.

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