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  1. #1

    Unhappy service engine soon code

    my service engine soon light is on and i'm not sure why. i had two different people plug in code readers but it doesn't give any info back, like they're not plugged in. any solutions other than taking it to a dealership. this is for a '97 chevy silverado

  2. #2

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    Is it running normally? Anything out of the ordinary?
    Current truck: 1996 Ford 250, 7.3 Powerstroke diesel. Dana 60 SAS, stage 1 160cc injectors, T500 High Pressure Oil Pump, TS 6-position chip, full 4" exhaust, intake, 285 Falken Rocky Mountain AT's, boost/EGT/trans temp pillar gauges, etc...



  3. #3

    Default

    yeah is seems to run just fine althought I haven't driven enough since to check my gas milage for any difference

  4. #4
    Jr. Engineer
    97chevz71's Avatar
    Join Date
    May 2009
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    Perry County, Pennsylavania
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    235

    Default

    MIne comes on once and awhile. MOst likely it is the code p1406 which is your egr valve

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