LT1-LT4 Modifications 1993-97 Gen II Small Block V8

check engine light please help

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Old 04-27-2008, 06:34 PM
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Default check engine light please help

for the life of me i cant figure out what is wrong. all the hard parts are good. the solenoid and the maf. any suggestion???
Old 04-27-2008, 07:07 PM
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get it scanned and tell us what code its throwing. that's the first step.
Old 04-28-2008, 08:46 AM
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ohh i forgot to put them in lol it is a p1657 and a p0100 code
Old 04-28-2008, 08:56 AM
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what is a code P1657....? I know of a P0100 MAF code...
Old 04-28-2008, 10:10 AM
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its the skip shift solenoid malfunction. it did this before and i replaced the 20 amp eng. sensor fuse under the hood but this time the fuse is ok.
Old 04-28-2008, 10:14 AM
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i have to push it over hard to make it go into reverse but it goes into gear normal just getting it pushed all the way over is what im saying
Old 04-28-2008, 11:52 AM
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these are the codes that i am getting.

p1667 Powertrain control module fault (quad driver 3), or reverse inhibit solenoid control circuit
p1657 Powertrain control module fault (quad driver 2), or skip shift solenodi control circuit
P0100 Mass or Volume Air Flow Circuit Malfunction

any rec. available would be helpful




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