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87 4x4 suburban won't start has spark, fuel pressure, injectors have been cleaned, truck will start if fuel is poured down the TBI and then dies. Pulled injector plugs to check voltage both plugs pulse from 0 to .02 volts. Checked all fuses all seem to be good. What am I missing?
Yesterday i posted my problem of no idle or start on a 1994 1500 chevy pickup.what i found was power and ground was good at the injectors.but no power at cranking.you need to pull the four pin conector at the distributor .with a noid light conected to oneof the injector harness and a test light hooked to 12 volts prob the purple and white wire i believe ckt 436 when you probe it should light the noid light.if this is the case then the ignition module is bad.my module tested good 6 times at the local o"rilley auto parts house.also check power cranking at 5 amp fuse in fuse panel.
Posted on Apr 21, 2009
Change fuel filter ?
Posted on Dec 23, 2008
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Posted on Jan 02, 2017
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