Stumbling on accelleration - Saab 9-5 Bulletin Board - Saabnet.com
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Stumbling on accelleration
Posted by Rob T [Email] (more from Rob T) on Wed, 28 Dec 2011 08:54:42
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1999 9-5 3.0 240,000
did some searches on stumbling in the archive- tell me if I missed anything.
New ignition cassettes / plugs solved the random missfire codes.
still getting horrendous mpg, and worse, stumbling , hesitating on acceleration. No current codes. Haven't been driving it since i don't trust it.
swapped air mass meter, throttle body
Fuel pump replaced 40 k ago- could be it, but don't think so.
ordered new regulator.
inspected vaccuum lines, didn't see anything obvious.
Happy to put new parts in it, but any other thoughts? would a check valve cause this?
Thanks for your thoughts,
Rob
posted by 67.253.205...
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