i have a 1990 Chevy silverado 1500 and when i put a new ect sensor in it it will not start but when i put the old one back in it will satrt?

Asked by Feb 14, 2017 at 12:00 PM about the 1990 Chevrolet C/K 1500 Extended Cab LB RWD

Question type: Maintenance & Repair

1 Answer


Either the new one is faulty or there is a broken wire at the plugin for the ECT. You would have to check for continuity in the wire from the plugin to see if it is intermittent.

Your Answer

Chevrolet C/K 1500 Experts

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

Related Models For Sale

Used GMC Sierra 1500
173 Great Deals out of 12,024 listings starting at $1,775
Used Ford F-150
514 Great Deals out of 9,927 listings starting at $3,490
Used Chevrolet Camaro
1,067 listings starting at $12,995
Used Chevrolet S-10
11 listings starting at $7,995

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.