01 Blazer turns over, won't start
Replaced fuel pump, coil, cam position senser,
ecm, distribter cap, plugs, wires checked for fuel
pressure it's good
do you have spark? also Maurice, check all the fuses and relays. might even have a bad timing belt/chain. Also, you said you checked for fuel pressure. is the pressure within manufacturers specs, or does it just squirt out? It has to be within a certain range of pressure to be adequate.
If you have spark and fuel but it still won't run it's time to run a compression test. If all cylinders test low or zero it's jumped timing. The timing chain and sprockets will have to be replaced at that point. HTH. -Jim
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