Question about 1999 Chevrolet Silverado 1500
Have to pour a little gas down the throttle body to start
Check the fuel pressure at the shredder valve, there should be 60,PSI to 65,PSI for the poppet injectors to work. If the pressure is correct then there is a good chance that the Spider injection system may have gone bad. Recap. Check the fuel pressure at the shredder valve to make sure the Fuel pump is not going bad. There is a valve at the fuel pump that holds the residual pressure in the system, try cycling the ignition three times. Turn the ignition to the run position for 5 seconds and turn it off and do it again for 3 cycles to pressurize the fuel line and see if it starts. If it does not start then check the fuel pressure at the shredder valve. Make sure you have the proper pressure to activate the injector system. If not then get the injector system check for bad wire harness and see if you can smell gas leaking. Oh and the easiest thing to do is change the fuel filter too. Good luck and keep me posted and if you get a chance get the ECM scanned at Auto Zone for free and look for any DTC codes if any have it cleared. Good luck and keep me posted
Posted on Jun 04, 2009
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Posted on Jan 02, 2017
SOURCE: Trying to get 1989 Lebaron
When you changed the fuel pump i presume that you put fresh gas in it ?. buy a couple bottles of gas line antifreeze (it soaks up water)... change the fuel filter as it is likely gumned up with fuel. after you have done this keep up with the pouring fuel in or get a can of "hard start" and be very careful with using it. Eventually it will run on it's own. I would also suggest getting a can of combustion chamber cleaner. nasty stuff but it will clean out the motor and should unstick any valves that are not closing properly. be very certain you use that outside as it does create alot of smoke. I would also presume as it has been sitting that long that you have drained and replaced the oil as well as the filter.
For a vehicle that has sat that long there will be a lot of condensation issues.
Posted on Jun 15, 2011
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