LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

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Old Jan 15, 2006 | 12:18 AM
  #1  
LLANG's Avatar
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Help

I have some error codes that i need help with. I have a 1997 Z-28 W/ hypertech grantellie and K&N box. I'am getting P0171 P0174 and P0507 error codes. Is it EGR TPS or AIC. Any help would be appericated
Thanks Larry
Old Jan 15, 2006 | 09:04 AM
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Re: Help

171 is lean on bank 1, 174 is lean on bank 2 and 507 is idle system high, IAC is responding. One common denominator to all 3 is a vacuum leak.




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