We replaced a bad 4.3 vortec engine in a 1999 blazer with a 4.3 vortec engine out of a 2002 blazer, both blazero were 4 wheel drive. I can switch the blazer on and I hear the fuel pump come's on,

Asked by Jan 13, 2018 at 09:40 AM about the 2002 Chevrolet Blazer

Question type: Maintenance & Repair

The engine will not turn over attempt to start or
anything but fuel pump and dash lights  come on
like the should . No sound  at all from the starter,
and there was no issues  with  the start before
engine swap. Suggestions anything  that may help
resolve this issue

1 Answer

32,935

Check if the anti-theft is active, especially if you swapped ECMs.

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