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08-21-2010
i dont know what it is but my 2007 grand prix n/a l26, when ever i accelerate or go up a hill it bobs down on me why is this?
every 3000 mile oil change, it has 68000 on it, transmission was flushed 2 months ago, radiator flushed, spark plugs and wires changes recently
somebody told me it might be a clogged cat, or fuel pump is this right
08-21-2010
Well, just a guess but I would check all your spark plug wires. I’d bet you melted one of them.Originally Posted by sca555
08-21-2010
i justed replaced them and it was happening before the change
08-22-2010
does it continually bog down or does it just bog and then shift..?
08-25-2010
it continually bogs down, my mpg sucks also, no ses or check engine lights come on, the only thing im thinging it could be is a fuel filter or a clogged cat
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