Blazer crank but no start but has spark i think

Asked by Apr 09, 2016 at 12:06 AM about the 1998 Chevrolet Blazer LT 4-Door 4WD

Question type: Maintenance & Repair

I jus replaced my whole motor in my 98
blazer.. 4.3L it cranks but wont start it sound
like it wanna start but it dont... what could
be the problem idk and neather does the
shop so i recently bought a distrubtior and
see if it crank what else could be the
problem?? Plz help??

3 Answers

78,025

Try spaying some fuel down the throttle body to see if it fires off. If it does then there is a fuel issue. And the distributor has to be planted in right on or she will not start. One other thing I had one where the spark looked good but the coil had a crack in it allowing the spark to jump to ground.

I ant try sprayin fuel cuz shop said my fuel is ok they think its my distrubtior if i fix distrubtior wat else culd be reason for it cuz fuel ok n i jus bought new distrubtior... wat else

78,025

Fuel pressure, leaky spider injector assembly, no power to the injectors, timing, (distributor properly installed) coil.

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