Question about 2001 GMC Savana
Have you hooked a scanner up to the computer to see what voltage the computer is reading at time of ignition? If the computer is having an issue registering the min required 9.6 volts, this could be why its working when a booster is applied, artifically spiking the voltage the computer is reading out
Posted on Oct 16, 2013
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Posted on Jan 02, 2017
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Posted on Sep 06, 2008
It could be a clogged fuel filter or a bad fuel pump. Also try replacing the spark plugs and spark plug wires and having the timing checked. Good luck.
Posted on Mar 11, 2009
could be a bad fuel pump, or fuel pump relay. they are having problems(a lot) with the ethanol in the gas on GM products.Fuel pumps sales are through the roof at parts house on GM's. Have a pressure check on your fuel system. That is probably it. Add a can of Seafoam to your fuel every 3000 miles to alleviate this problem.
Posted on Aug 28, 2009
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