2003 s10 4.3 won't start

Asked by Jun 29, 2018 at 12:05 AM about the 2003 Chevrolet S-10 LS LB RWD

Question type: Maintenance & Repair

2003 s10 with 4.3 motor won't start. New plugs,
plug wires, fuel filter, oil change. It is getting fuel
but still won't start not shere as to why

2 Answers


Could be fuel pressure or ignition pickup in distributor. If it happened abruptly all at once, these are the common causes. The ignition pickup is rather cheap repair. Fuel pressure can read a few lbs short of where it needs to be, and it still won't start. That will require replacing fuel pump

1 people found this helpful.

i had same problem ,turned out it was the crank sensor , just a couploe of bucks at pick &pull been on the road over a year now

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