Tpi No Inj Pulse
Supreme Member
Joined: May 2000
Posts: 2,963
Likes: 3
Car: 1982 Z28
Engine: LS1
Transmission: T56
If you're running the '89 chip, it's looking for a VATS (vehicle anti-theft system) signal it won't get w/ the '87 harness. That will cause the injectors not to fire.
Member
Joined: Jan 2002
Posts: 111
Likes: 2
From: Huntington,WV
Car: 91 RS
Engine: 5.3 LS
Transmission: T56
Axle/Gears: 3:23
Have you ever had the car runing?If so check the grounds on the back of the heads I had this problem and the ground was lose..Hope it helps..
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