1998 chevy blazer wont start

Asked by Kaylin Apr 02, 2022 at 06:40 PM about the 1998 Chevrolet Blazer 4-Door 4WD

Question type: Maintenance & Repair

had a 98 blazer that ran perfect until it was stolen.
they ripped the radio out and wrecked the dash. ran
good after i got it back for two weeks then wouldn't
start after i locked it. boyfriend got it to start and it
ran for 2 days. hadnt ran since. weve replaced the
bcm, the ignition lock cylinder, spark plugs, fuses,
wiring harness. the lights all turn on when on and
the passlock security light remains lit. weve gotten
different keys and tried a bypass as well. it turns
on and fuel pump goes on but no start.

2 Answers
157,855

James answered 2 years ago

The new keys and BCM need to be programmed to the vehicle. They have to be able to communicate with the PCM to allow the engine to start and run. A good locksmith should be able to do this for you but really, your local Chevrolet Dealer is your best bet. Hope that helps! Jim

Mark helpful

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