Question about 2000 GMC Sonoma Extended Cab
I have a 2000 GMC Sonoma 4.3 liter that is hard to start. Just had a full tune up including a plugs, wires, rotor cap and distributor cap and a fuel filter. Had a similar problem a 2 years ago and replaced the fuel pump. What are you thoughts on this problem. Could it be that the fuel pumps just dont last. John
Check the fuel pressure. You should be at 60-66 psi for the injectors to fuel properly. Depending on where you are in the country, some areas have more moisture in their fuels that others. Try running a can of Techron fuel treatment every third tank of fuel. Make sure your getting fuel at a good station. Stations that do not maintain their tanks and buy discount fuels usually help shorten the life of fuel pumps.
Posted on Jun 01, 2009
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Posted on Jan 02, 2017
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