hello i have a 91 s10 with the 4.3 v6 the truck ran great with a broken motor mount on the driver side but after replacing it the truck wont start motor is getting gas fire and air PLEASE HELP

5

Asked by Jan 10, 2015 at 09:18 AM about the 1991 Chevrolet S-10

Question type: Maintenance & Repair

4.3 v6 with 3k+ miles ran great did full tune up still ran great then i replaced the driver
side motor mount and it wouldn't start i used a jack to lift the motor to replace the
broken mount im getting gas air and fire spark plugs are gaped right it turns over but
wont start acts like it has no power to turn over even with new starter and being
jumped on a new batterie it fired up one time for maybe 2 minutes it idol up really high
and i turned it off now can get it to start at all but you can here it wants to fire up

2 Answers

111,065

Possibly a vacuum leak. Check around area where work was done for loose or broken vacuum lines or wire harnesses.

39,135

Also check the main ground strap from the engine to the frame. You may have broken it when jacking up the engine. Also check the connection for the Crank Position Sensor on the distributor. You may have smacked it against the fire wall and knocked it loose. You just want to replace it also. https://www.youtube.com/watch? v=TEuzGJKExks

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