Question about Chevrolet Silverado 2500HD

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Glow plug light stays on for a long time on my duramax

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 45 Answers

SOURCE: glow plug light

Thats not good, if the glow plugs are being charged the whole time They will burn out quickly if not already. Even if the glow plugs are burned out the engine will still start unless your in a really cold region. Sounds like the GP (GP = glow plug) relay is fused in the open position, its located above the fuse panel refer to your owners manual to its exact location above the fuse panel. Just pull this relay out and your light should go out while engine is running. If this works simply replace the relay from your local Volkswagen dealer, but the bad news is I would highly recommend pulling the GP's out and checking to see if theres anything left of them. There not built to be on constant. Good luck Hope thats your problem just a relay.

Posted on Mar 25, 2009

  • 5370 Answers

SOURCE: 2500 duramax 2004 glow plug

If the car had been running very recently, or if the ambient temperature was hot, the "wait to start" light might not come on; in this case, the operator may proceed to turn the key to the "start" position and start the engine without having to wait. But if that is not the case and car was left to sit overnight.And when you start the car in the cold weather of morning and there is no glow-plug light coming on or if there is delay in light coming on then ,it must be pre-heat case.If the glow-plugs need to pre-heat - then the engine merely delays starting, until the glow-plugs have reached the correct temp. As such, what you will notice is the engine start delay, meaning that nothing happens for a few seconds after you have pressed the start button, on a cold morning.----------- The heat generated by the glowplugs is directed into the cylinders, and serves to warm the engine block immediately surrounding the cylinders.and the car starts,. -------------But if the glow plug light is not coming ON and car is starting properly then you can continue.But if glow plug light is not coming ON then in that case the glow plug has to be removed and checked.Clean the glow plug and reinsert it and recheck.If still the same problem then glow plug has to be replaced and checked. --------------------- This will help.Thanks.Helpmech.

Posted on Dec 13, 2010

  • 1403 Answers

SOURCE: 2004 landcrusier 100 series. glow

THIS COMES ALL FROM "WAIT TO START" DO YOU WAIT TO START? IF NOT,THEN THE GLOW PLUGS ARE BUR'NT OUT,WHICH YOU WILL NOT NEED UNTIL FALL. OR MAYBE YOU'VE GOT IT HOOKED ON EITHER,STARTING FLUID,IN WHICH CASE,I SUGGEST YOU REPLACE THOSE GLOW PLUGS NOW.OR ELSE YOU'RE MOVING ON TO EVEN WORSE ISSUES.LET ME ASK YOU THIS,WHY ARE'NT THE GLOW PLUGS BEING DENIED POWER? AFTER ALL THEY START THE ENGINE? AFTER YOU INSERT THE KEY INTO THE SWITCH,WAIT TO START,LIGHTS UP.IF YOU'VE NOT WAITED UNTIL THAT WAIT TO START LIGHT GOES OFF,,,YOU'VE BURNT THE GLOW PLUGS UP.THE ONLY THING TO DO IS REPLACE THEM ALL.IF YOU'VE BEEN USING STARTING FLUID OR EITHER TO START YOUR ENGINE FOR A LONG PERIOD OF TIME,FORGET REPLACING THE GLOW PLUGS,BECAUSE YOUR ENGINE IS ADDICTED TO THE BOTTLE(EITHER) YOU MAY BE ONE OF THE LUCKY ONES,REPLACING THE GLOW PLUGS MAY RESOLVE YOUR ISSUES.BUT,WAIT TO START,,AIN'T NO JOKE. BEST OF LUCK TO YOU & YOURS!

Posted on Apr 08, 2011

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HAVE YOU REPLACED ALL YOUR GLOW PLUGS RECENTLY? EVEN THOUGH THE GLOW PLUGS APEAR TO BE WORKING I FIND WITH AGE THEY NO LONGER HEAT UP QUICKLY ENOUGH BEFORE CONTROLER TIMES OUT. THEREFOR CREATES A HARD OR NO START CONDITION.

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