Question about 1999 Chevrolet Silverado 1500

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While driving, engine dies. will start but dies when throttle opens

Changed fuel filter, no help

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  • 102 Answers

Fuel pump is getting weak and will completely stop soon trust me been there! done that!

Posted on Jan 17, 2014

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Posted on Jan 02, 2017

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SOURCE: wont start has fuel and has spark

RC ralston
Your problem is a leak in the cpi pletium most likely the pressure line has a leak
had same problem with mine $45.00 PRESSURE LINE KIT AND $15.00 GASKET FOR PLETIUM and 2 hours labor problem sovled.
You can remove vortec cover and remove air regulator to look inside pletium. I had gas vapor on driver side . that is where fuel lines are. fuel regulator is on passenger side. turn key on and look in hole and see where fuel is spraying. taking pletium off you can again turn key on and make sure where fuel is coming from.

Posted on Feb 06, 2009

  • 14 Answers

SOURCE: i have a 1993 s10 blazer 4.3l 6cyl cpi. this truck

I had the same problem in my 91' s10 blazer. Drain the tank, then put about 5 gallons of premium gas. After that put fuel system cleaner and sea foam in the tank. Let it sit their for about an hour. try to crank up the car (you might have to put gas right on the carb until the gas in the tank gets to the engine). If that dose not work you might want to take it to a shop and have them clean the fuel system by hand. It might also be the fuel sensor. I hope this helped also up date us on other problems and if any of our suggestions have helped.

Posted on Jul 19, 2009

  • 340 Answers

SOURCE: 1993 s10 4.3 starts fine, while idling it dies.

only half way there if you have a tbi check the crank sensor/ cam sensor that is the first line of business on that truck if the crankshaft sensor fails the truck stops dead when you wait a few minutes the sensor re energizes and the truck will work again for a bit antiknock can cause similer problems but not while the truck is running

Posted on Feb 24, 2010

  • 81 Answers

SOURCE: 1993 chevy k1500 blazer

start with cleaning the injectors, check your secondary fuel filter, and vaccum lines

Posted on Aug 26, 2010

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