Question about Chevrolet Avalanche
Sound like to me it is TPS Switch( Throttle Possitioner Switch).
Or Fuel Pump Relay? Either will cause this to happen due to signals picked up by ECM and PCM. Hope this helps you out?
Posted on Oct 22, 2013
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Posted on Jan 02, 2017
SOURCE: starts but won't stay running
Have someone help you do the following. Turn on the vehicle,before it dies,quickly tap the idle air control valve with a wrench or anything you have. If the engine does not die after you tap the IAC,this means that the IAC is faulty. The IAC is under the plastic plate that is behind the throttle body.
Posted on Sep 24, 2008
yes but it has to have a certain amount of fuel pressure idk exactly what the specs are on your truck but check the fuel rail with a fuel pressure gauge if its not produces a certain amount of fuel it wont run
Posted on Aug 02, 2009
check the fuel filter air filter and vacuume lines if they all good make sure the spark plugs are making a bright blue spark
Posted on Jan 20, 2010
Sounds like the fuel pump is bad.... I would have the codes read and start there... but my imediate suspicions are the fuel pump.
Posted on Sep 25, 2010
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