Question about 2003 Chevrolet Suburban 1500

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Where is the fuel regulator on a 2003 chevy suburban with vortec engine?

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It is located under the intake.

Posted on Jun 04, 2010

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Posted on Jan 02, 2017

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VORTec 5.7L. backfires at startup and now it goes to full throttle...why


These vortec engines are prone to leak fuel from fuel pressure regulators inside the intake manifold ,an from injector pop it valves . How to replace the spider injector on Cheyv motor 4 3 or 5 7 liter check out this guys video

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I need diagram to install spider fuel injector assembl for chevy vortec engine


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You willl have hours of reading etc

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Sep 27, 2011 | Cars & Trucks

1 Answer

We have a 2003 chevy suburban 5.3 vortec it dies when warmed up


Sounds like either Air mass sensor, Air mass meter or finally the EGR valve this is the exhaust gas recycler I would say that is the fault when they start to go this is what they do until finally the car will barely move.

Also I would check all your air pipes for leaks make sure there is no rips or tears in the pipes, The car will drive fine like you say until you ease of the gas to a stop position it **** in to much air and kills the engine. Air faults are cheaper so look there first.

Hope this helps

Regards
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1 Answer

1999 chevy blazer wont start


THE FUEL PUMP IS BAD.

if your losing fuel pressure after the pump runs the drain back valve in the pump has failed.

and i doubt that you are seeing enough fuel pressure to run a vortec engine.

low fuel pressure equals a non running vortec

Apr 11, 2009 | 1999 Chevrolet Blazer

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