Surging At Low Rpm, At Low To Moderate Throttle

35thGTLimited

Active Member
Mar 10, 2007
48
8
28
The Pocono's
At WOT car runs perfect, opinions? Everything seems fine right now except for a bad fuel cap, well at least, the light is on to "Check Fuel Cap". This couldn't cause it could it, I mean, is the seal that important? Otherwise, my battery is a piece of crap, being replaced Saturday or Monday. Light comes on intermittently, mostly if it sits overnight. Batt reads 12.4, meh, low crank amps too, Alt reads a good 14.48.

Anyway I'm thinking EGR valve but honestly I just don't know enough. It's a full bolt-on car, and I don't know any trusty local mechanics, I guess I should look into that for my own sake.

Any advice greatly appreciated. Also has a bit of a knock around that same rpm range that it hesitates, may just be a coincidence, not sure?
 
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