Question about 2003 Buick Regal
It could be a few things in the fuel systen. The fuel filter is a likely culprit. If it hasn't been changed in a while, change it our more problems will arise. If that's not it the injectors could be clogged, try an injector cleaner before getting it worked on. It could also be a few other things including fuel pump, TPS (throttle position sensor), EGR (if your car has one). or even plugs and wires, Try the filter and cleaner first, if that doesn't help get a diagnostic.
Posted on Mar 18, 2009
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