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Check engine Light

Discussion in 'Chevy Trucks' started by pongow26, Jan 16, 2009.

  1. pongow26

    pongow26 Senior Member
    Messages: 153

    Anyone ever have there check engine light come on because of extreme cold? I didnt rive the truck for a couple days and it is waay below 0 here. It was 20below for the 2 days I didnt move the truck. I started it and drive for about 10 miles then noticed the light but I could feel or notice any problems?
  2. CityGuy

    CityGuy PlowSite Fanatic
    Messages: 17,220

    have to plug in code scanner and retrieve the code that it threw

    GUSMACDADDY Junior Member
    from Midwest
    Messages: 9

    Had same problem here in IL. -27 without wind chill. Didn't drive yesterday but left at 630 and had no power. Engine light came on on way to work too. I think my fuel was freezing up??? I have the additive in system but -27 is pretty cold. Warmed up in a heated garage for about 45 min and added ps911 and seemes to run better. I am going to try and clear code tonight. Hopefully just from cold temps.
  4. Clint S

    Clint S Senior Member
    Messages: 280

    Sometimes the smog pump freezes up when it is this cold and blows the fuse.

    GUSMACDADDY Junior Member
    from Midwest
    Messages: 9

    Thanks! I'll check that.

    GUSMACDADDY Junior Member
    from Midwest
    Messages: 9

    Well I pulled the PCM fuse and with 40 degree warmer temps it is running good today. No check engine light! Will probably replace fuel filter just to be safe.
  7. My bowtie

    My bowtie Senior Member
    Messages: 279

    -11 here this morning...engine light was on and no reverse....put it in drive for a few min, and reverse finally worked...Engine light went off after turning the truck on and off durring the day........ussmileyflag