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

Vacuum leak?

Old Feb 26, 2004 | 01:05 PM
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From: Memphis, TN, US
Question Vacuum leak?

Well I have been trying to figure out why bank 1 on my car is running so rich. I was scanning my car yesterday and the readings were as follows: (All readings in Cell 16)

MAF: 12.7
MAP: 51 kPa
BAR: 104 kPa
Bank 1 LTFT: 108
Bank 2 LTFT: 125
O2s looked fine except they looked like they were only going up to 600 mV
Fuel Pressure: Key On 45 psi Car on idle 41 psi and does not drop when car is turned off
Vacuum: 14" Hg

I have hotcam and PCMForLess tuning plus various other mods. Someone have any ideas? The driver's side is starting to tick pretty loud also.
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