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98 blazer 4.3 no start?


killdog66
02-15-2007, 06:16 PM
98 blazer 4.3 won't start. sitting for 2 days, just turns over, fires a couple times, but won't keep firing. pump pressure ok.just changed cap, rotor plugs, feul filter. any ideas?

1996LTOwner
02-15-2007, 06:18 PM
How long ago did you replace the plugs, wires, etc.? What type of plugs did you use?

killdog66
02-15-2007, 06:43 PM
How long ago did you replace the plugs, wires, etc.? What type of plugs did you use?
500mi. changed plugs, cap, etc. used bosh plugs. didn't change wires,though.

thadrawr
02-15-2007, 07:43 PM
500mi. changed plugs, cap, etc. used bosh plugs. didn't change wires,though.

bad move you should keep delco plugs in a GM vehicle

DINO55
02-15-2007, 08:29 PM
Killdog66,

What was the fuel pressure reading and was the engine running or shut off when you pressure tested it???

killdog66
02-16-2007, 07:29 PM
after i changed the fuel filter, the presure when key on, motor off was 56psi. has been running at that pressure for 500mi?

DINO55
02-17-2007, 07:32 AM
FUEL PRESSURE IS IMPERATIVE


Click Me (http://www.automotiveforums.com/vbulletin/showthread.php?t=450484) and read this......

killdog66
02-20-2007, 11:18 PM
thanks;
changed battery, then started. weak battery caused feul pump to not get enough pressure to manifold?

1996LTOwner
02-26-2007, 04:56 AM
Glad to see you got it runnin, but those bosch plugs will foul on you. I'd replace them soon.

killdog66
02-27-2007, 11:40 AM
Glad to see you got it runnin, but those bosch plugs will foul on you. I'd replace them soon.j
just, did. changed with ac's..........thanks.......

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