Originally Posted by cudablack2004
so the best thing would be to maybe have it chip'd and tuned? Would it help also to get a tbi adjustable fuel pressure regulator? Maybe just trashing the whole unit for a tpi or carb
Tuned, yes. Chipped? Not unless you have aftermarket/performance parts installed that are munging the sensor readings to the computer. Low vacuum is the biggest culprit- and that can be caused by a performance cam, a bad tune, leaking vacuum lines or components, etc. Is the engine bone stock or modified?
Start w/a thorough inspection- including pulling the codes- followed by a tune up, including fuel filter, PCV, plugs, wires, cap, rotor, etc. unless you know the parts were replaced already.