running probs [Archive] - GrandAmGT.com Forum

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XtremeGaGt00
05-30-2007, 09:34 PM
all my mods in my sig below..but the situation is..when i first start the car...even if i just turned it off for a few min, and start it back up...it runs REALLY rich bogs down and this happens for about a minute of driving after i start it up...it starts to lean out and act like it should...anyone know what the problem might be?...bad
o2 sensor possibly?

2004grandamgt
06-29-2007, 05:47 PM
possibly a bad coolant temp sensor

XtremeGaGt00
06-29-2007, 06:05 PM
seems to be fine now...didnt do a thing...i ONO!!?

silvergtjrad
06-29-2007, 06:45 PM
Isnt your MAF "ported"? I would go back to a stock one if it is.

Malaclypse
06-30-2007, 12:01 AM
If you're running anything other than a bone stock, "virgin" MAF and your PCM isn't tuned for such... go back to stock.

Then consider having your fuel pressure regulator checked for an internal leak and having an injection flush done afterwards.