1991 Chevrolet Astro CL 4.3L Long Crank
the ecm is slow to energize the fuel pump relay at times. checked powers and grounds and inputs from the ignition switch. sometimes it takes over five seconds of cranking before the fuel pump relay is energized. i watched the input on a graphing meter and as s...
FIX posted 6/26/2004
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Message Closed w/FIX
Vehicle Data1991 Chevrolet Astro CL
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Message Closed w/FIX
Vehicle Data
1991 Chevrolet Astro CL
VIN | 1GNDM19Z3M |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / TBI |
Emissions | US FED |
Symptoms | Long Crank |
Occurs | Restart |