Question about 1997 GMC Sierra
If you are getting spark then it may be a fuel pump problem or fuel pump relay or inline fuse. Always start Fuel system troubleshooting by replacing the fuel filter or filters! You may be able to apply 12 volts from the battery (use a fused line) directly to the 12 volt side of the fuel pump and listen to see if the pump runs. Also may need to check that it is getting a good ground to the fuel pump. Then if the fuel pump does not run independently, replace the fuel pump. The fuel pump relay is computer controlled and several other things give the computer inputs which then controls the voltage to the fuel pump relay.
Posted on Jan 17, 2009
Yea sounds like a fuel pump, i replaced mine like 4 times on my 97, but if you dont hear the pump makin a wineing sound then thats probably it, but just pull the line and see if your gettin fule before you go to takin off the whole bed to replace the pump
Posted on Feb 11, 2009
Check your timing chain or belts see if your timing has gone out..
Posted on Jan 08, 2009
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