Hi-
Been searching the forums but cannot seem to find the answer. My blazer was running fine until parked under the roof eaves and had a bad rainstorm. The engine bay had alot of moisture, but would not start. I pulled into a heated garage for a week to dry out, still no start. Pulled number 4 plug and cranked engine, good spark to that plug. I also changed cap, rotor and had the ICM tested. They tested ICM 4 times and came back good. I have a good spark from the coil when I pull the wire, it will trow it a good inch long. The fuel pressure is 60psi and holds steady over 10 minutes. It almost wants to start, almost like it is flooded?
Any ideas or help? Should try to pull all the plugs and check for spark?

 

Not sure how having a spark impacts this, but the number 2 reason for a Blazer/S10/Bravada not starting on dying while running is the ignition switch. It gives all the same symptoms of a fuel pump failing. RockAuto sells AC/deLCO switches for around $55.00

I have had three go bad on me over the years in my 4.3L vehicles.

 

Well I pulled all the plugs they look great. Cranked engine over and I have a nice fat spark to all plugs. I can smell gas down at the spark plug holes, and my fuel system checked out OK. Why will this not start? Could it stll be the ICM, since the store would only test it for me 4 times. If I have fuel and good spark, the only other item has to be it is not firing at the right time.
Any ideas???

 

does the security light stay on, on the dashboard? may not have been the rain my 2000 is testy about recognizing the key.