Thread: Rough Idle
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Old 07-01-2016, 08:59 PM   #6
Smallblock454
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Join Date: Jun 2014
Location: LB, Germany
Posts: 1,456
Hello,

i don't think it is the TB in this case. And if you says you've already checked it and it was clean there might be another problem.

At which altitude do you use the car in general?

Maybe the car is running a little bit too lean. Did you check the fuel pressure and when did you change the fuel filter last time (think a 2000 will have a separated fuel filter).

Regards, Markus
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