Question about 1996 GMC Sierra
Truck will not start unless I pour gas into intake. Fuel pressure goes to 60 psi while cranking then drops to 0, doesn't hold pressure. Owner has changed fuel pump, filter and pressure regulator. I don't have a manual for this vehicle to properly make any diagnostic checks. I am a retired auto technician, ( retired 1996) and I am not familiar with this CPI system. Trying to help owner who is on hard times. Any help would be appreciated.
Hello, sorry for the bad luck u r having with the 4.3l cpi.........unfortunatly it is common for the "spider legs" to break or crack causing a large fuel leak inside lower plenum... the fuel injection spider is not too expensive or difficult to change, but there is some time involved.. i hope this helps, marty
Posted on May 29, 2009
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Posted on Jan 02, 2017
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