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

Results Are IN!!! Everyone Who Knows Datamaster LOOK!

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Old Jun 13, 2004 | 10:46 PM
  #1  
c0rey's Avatar
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From: Nebraska
Results Are IN!!! Everyone Who Knows Datamaster LOOK!

With the datamaster I found:

LOW TPS

LOW AC Coolent

Here is the file for everyone to look at to see what Is up with my car. Datamaster opens the uni File!!

http://www.domestic-street-scenes.com/blazin/corey2.uni
Old Jun 13, 2004 | 10:57 PM
  #2  
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I don't know what you have going on, but your TPS voltage and % looked whacked out and the O2s are too.
Old Jun 13, 2004 | 11:23 PM
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hey man I have no idea either. I just put brand new delco 02s in. And replaced the tps about 3 months ago. The car is running really rough. Only trapped like 94 in the 1/4
Old Jun 14, 2004 | 09:00 AM
  #4  
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With the throttle at rest and key ON, you TPS should read ~.50v-.60v (you don't need the engine running to test). Voltage and % should increase linearly as you press on the gas pedal.
Old Jun 14, 2004 | 11:07 PM
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after reviewing the data I found.

Low TPS voltage
High Idle
High IAC counts
Bank 2 lean 02
bank 2 LTFT adapting for lean


I sugested a stuck injector but after talking with corey he told me he had a passenger side header gasket leak. That would explain the bank 2 02 readings staying lean as well as the LTFT readings.

he is replacing that as well as a delco TPS (his last one was a cheep replacment) and I also suested a new IAC or atleast clean the old one and the throttle body passage.
I'm also wondering if somone messed with the idle setting befire he got the car
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