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Re: GM TBI ECU #1228746 No Injector Pulse
Posted to Technical Discussion Forum on 12/28/2018

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...I had a personal '93 Caprice Classic wagon with a 5.7 TBI and it had the exact symptoms as the one you have (start on spray and stay running ...it was a faulty Ign. control module in the distributor...had plenty of spark...no pulses until it got above... Login to read more.