Re: 2001 1500 5.3 vortec stalling
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I got a 2001 silverado extended cab w/ a 5.3 Vortec in it....every once in a while when I pull up to a stop sign or traffic light, then engine will cut off. It always starts right back up and will run fine...I replaced the fuel filter and checked the plugs...It is not a severe problem at the time, but it is a bit of an anoyance...Thank you
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Unplug the vacuum hose going into the fuel pressure regulator on the top driver side fuel-rail, if gasoline drips from the end of the hose then the fuel pressure regulator is faulty and should be changed.
9 times out of 10 this is the cause for stalling such as you describe.
9 times out of 10 this is the cause for stalling such as you describe.
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I unplugged the the hose w/ both the engine off and the engine running....there is a good vaccum on the hose and no fuel leaked either time....
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I will check the fuel pressure...the truck has 145,000 on it...It hasnt really stalled again in the past couple of days, but i'm sure I havnt fixed the problem
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With that many miles you may want to try going to Costco or Sam Club and purchasing a 4-pack of Chevron Fuel Injector Cleaner (16oz bottles) with Techron for $9.95
Go to the gas pump and add all 4 bottles to your fuel tank then top it off with gas and drive it till it is near empty before you refuel.
Go to the gas pump and add all 4 bottles to your fuel tank then top it off with gas and drive it till it is near empty before you refuel.
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I will try it...it seems to be doing a little better...It hesitated only one time in a couple days....Thanks, I'll let you know what happens
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