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International Automotive Technicians Network
Re: Chevy TBI Surge
Posted to Technical Discussion Forum on 8/5/2002

Hi Kent,

Do you have a scanner snapshot of the scan data when this problem happens? If not, take one and look at the speed PID. It may be indicating excessive speed due to a bad DRAC module or it may be picking up EMI on the signal wire to the PCM. Injectors... Login to read more.