99 Chevy Blazer sounds like it wants to start but won't turn over
Most common is fuel pump failure. Have the fuel pressure checked, it needs to be about 60 psi. If no problem there, check for spark coming out of the coil. Coils on these vehicles do fail on occasion. Also there is an ignition module mounted on an aluminum plate on the coil bracket. These will fail on occasion as well.
I already replace it, also the gas pump but still won't start, even dropping gas in the throtle
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