My 2001 Bonneville SLE is sporadically acting up. Suddenly the RPM's race/plummet and then it rides very rough & choppy. It seems like the transmission isn't shifting prroperly at that point.


Asked by Nov 19, 2013 at 06:49 PM about the 2001 Pontiac Bonneville SLE

Question type: Maintenance & Repair

It runs strong and beautifully except these recent random issues. Mechanic has no

2 Answers

you must get the diagnostics....fifteen dollar scanner...please post the results from this....granted the fuel pressure regulator will not issue a CODE and could be at must check the operation of this device and the vacuum goin' to it...make sure that it is still regulating the fuel to the fuel rail~


There are no codes, had that checked. Where exactly is the fuel pressure regulator and how do you check the operation of it?

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