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Having Trouble Starting Truck In Cold Weather

SecurityStacey

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SecurityStacey Enthusiast

SecurityStacey

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Posted

Hi there. I know a lot of basics about my truck but I'll be the first to admit I don't know nearly as much as I should.

 

When its been getting really cold here (under 8 degrees) my truck (2002 1500 Sierra) is having a lot of trouble starting. I thought at first it was the cold amps (which would be a nice easy fix) but my battery is running strong. I listened more carefully and it sounds like the engine just isn't getting gas. After I turn it over for awhile it seems the pressure gets up enough that it gets gas and the truck starts (usually after trying to start it for 5 minutes or so). I believe this has something to do with the fuel pump - but that is where my knowledge stops. I know it might be the sensor going - or the fuel filter, but before I go get it looked at I'd like a better idea of what it might be. I'd imagine it has something to do with ice forming (since it only happens when its really cold) but I was hoping someone might be able to help me out? I know it is definitely from the engine not getting gas right away, what would cause that in really cold temps?

 

Thanks.

Sir Dan Enthusiast

Sir Dan

Posted
Posted

Any "check engine" lite on dash when it does start? If so, get the codes checked out. Also could be the fuel pressure regulator, which isn't that expensive to fix.

SecurityStacey Enthusiast

SecurityStacey

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Posted

No check engine light.

 

I'm gonna try to take a look at changing the fuel filter (haven't tried that yet though) and hope that helps. If not I'll have to bring it in.

pennzoil29 Senior Enthusiast

pennzoil29

Posted
Posted

Can you hear the fuel pump prime itself when you turn the key on? Did you check the fuel pressure at the fuel rail? It could quite possibly be the fuel filter. Let us know what you come up with. :lol:

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