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Highway mode patch

Old Apr 17, 2003 | 04:00 PM
  #1  
SC2camaro's Avatar
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From: Randleman,nc
Car: 87 BUICK GN
Engine: 3.8 TURBO
Transmission: 200R4
Highway mode patch

hey guys

has anyone checked to see if there car car from the factory with the highway mode patch.

i had a friend check mine and it does it's a 88 SC witch has a one year ecm/prom i think the eprom # is a 3401 has anyone got the code to break it down.

the 89-92 TBI used a different ecm

the 88 has 2 injector drivers vs the 89=92 has 4 injector drivers

why was this changed for depenablity?
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Old Apr 17, 2003 | 04:28 PM
  #2  
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: Highway mode patch

Originally posted by SC2camaro
hey guys

has anyone checked to see if there car car from the factory with the highway mode patch.

i had a friend check mine and it does it's a 88 SC witch has a one year ecm/prom i think the eprom # is a 3401 has anyone got the code to break it down.

the 89-92 TBI used a different ecm

the 88 has 2 injector drivers vs the 89=92 has 4 injector drivers

why was this changed for depenablity?
I believe that tunercat has an ECU file for your '88 ECM.

No change in number of injector drivers, both have two.

RBob.
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