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

help car wont start

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Old 07-10-2009, 05:09 PM
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Default help car wont start

car shut off pulling out of my drive way pushed it back to the guarge and ran for codes it had a bad crank sensor code replaced sensor with a used one i had in the guarge didnt starts put on a new one from napa still wont start and i cleared the codes on the computor the fuel pump primes up and ideas itwas a new opti when i just rebuikt the motor
Old 07-10-2009, 05:55 PM
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Check your coil and ICM
Old 07-11-2009, 03:26 PM
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replaced coil and module still the same
Old 07-11-2009, 05:32 PM
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its a 6 speed with stock 30000 mile bottom end ported and polish intake and head 52 mm throttle body 30 # injectors long tube headers cat back under drive pulleys electric water pump new gm opti (didnt loctight screw ) cc 503 cam 1.6 roller rckers computer need to be tuned for change in exhuast and no rear o2 sensor

just some info on car
Old 07-12-2009, 04:01 PM
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no spark at coil has fuel
Old 07-16-2009, 09:55 PM
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i have no spark at the coil or at the plugs and on the icm plug i have 12 volts on terminals a and d but on terminal b i have zero volts
Old 08-10-2009, 02:47 PM
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found out whats wrong with the car look at these pics WONDERFULL OPTI





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