C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Need Help Guys.... Please

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Old Jul 14, 2004 | 06:33 PM
  #1  
91whiteconv's Avatar
91whiteconv
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From: San Diego Ca
Default Need Help Guys.... Please

Alright guys, Heres my problem.
When I am driving and push down on the thottle far enough to kick it down, all the car does is choke until I let off the gas.
It backfired yesterday once or twice. I changed my plugs back to Bosch+4 from A/C delco, it seemed to make a small difference, The warmer it gets the worse the problem gets and less power I have. It seems like it wants to stall when I am stopped and in drive.
AND the oil smells a little like gas.
I dont have a clue what the hell it might be.
I have a cut air box, 1" spacer, 3 month old plug wires, new O2 sensor, new TPS...
ANY CLUES... I know I'm not the first for this,
Or does someone know a good Vette Mechanic in San Diego.
I am FINISHED......
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Old Jul 14, 2004 | 06:50 PM
  #2  
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CFI-EFI
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From: The Top of Utah
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Oil smelling like gasoline is usually the result of blow by or a super rich mixture. Your drivability problems sound like a lack of fuel. The first thing I would do is check the fuel pressure. The filter could be clogged or the pump failing. If it is pig rich, you may have clogged your cat. Any smoke out of the tail pipes? What color. Black, is excess fuel.

RACE ON!!!
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