ecu codes need help

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06-17-2012, 05:38 PM

Chris Takayama

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ecu codes need help

i have a 91 hatch with a gsr it has a p72 and has a obdo to obd1 jumper and is coding 21 and 9 anyone know what those codes are thanks for the help

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06-17-2012, 06:31 PM

villc713

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Re: ecu codes need help

Look in the eg threads there is a sticky on cel codes

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06-17-2012, 06:34 PM

Chris Takayama

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Re: ecu codes need help

ok thanks found out why it was coding for 21 now its coding for crank position sensor the car has one of a msd blast caps and the guts are takin out of the topend of the dizzy is that where the crank position sensor would be?

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06-17-2012, 07:01 PM

villc713

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Re: ecu codes need help

Yea on obd1 it's in dizzy obd2 motors have them behind the crank

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