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


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

Your Answer:

Chevrolet Blazer Experts

  • #1
    Andrew Olsen
  • #2
  • #3
View All

Related Models For Sale

Used Chevrolet TrailBlazer
41 listings starting at $2,950
Used Chevrolet Tahoe
12 Great Deals out of 873 listings starting at $4,999
Used Chevrolet Silverado 1500
77 Great Deals out of 9,455 listings starting at $3,995
Used Chevrolet S-10
4 listings
Used GMC Jimmy
8 listings
Used Chevrolet Camaro
17 Great Deals out of 998 listings starting at $4,995
Used Ford F-150
100 Great Deals out of 12,437 listings starting at $352
Used Ford Explorer
22 Great Deals out of 1,693 listings starting at $1,995
Used Chevrolet Suburban
13 Great Deals out of 511 listings starting at $6,495
Used GMC Yukon
13 Great Deals out of 1,069 listings starting at $3,900
Used Jeep Grand Cherokee
51 Great Deals out of 5,533 listings starting at $3,950

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.