moved ecm wont start

Asked by Guru94P69P Sep 20, 2020 at 04:29 PM about the 2003 Chevrolet S-10 Extended Cab RWD

Question type: Maintenance & Repair

I unplugged and moved my ecm on my 03 s10 4.3 now
truck won't start.

4 Answers
20

Bobby gean answered 3 years ago

I have a Chevy S 1099 have changed distributed camshaft fuel pump and still won’t start

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20

Bobby gean answered 3 years ago

99 Chevy S 10 change distributor has spark change new fuel pump camshaft position sensor only with Start if I pour gas through the throttlebody

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20

Bobby gean answered 3 years ago

99 Chevy S 10 Change distributor has spark new fuel pump 60 pounds of pressure only way to start it but for gas in throttlebody once burned up gas won’t start

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155,195

james answered 3 years ago

Check all the electrical connections. Personally I think they put the PCM in a very bad location on these. They're subject to rust and corrosion! Use some electronic cleaner on the plugs and PCM pins to clean them up. Make sure the PCM is properly grounded as well. Hope that helps! Jim

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