GM Truck Club
Founded in 2004 ~ We're the #1 Chevy Truck & SUV Forum.
Silverado & Sierra | Tahoe & Yukon | Suburban & Yukon XL | SUV & CROSSOVER
Results 1 to 4 of 4
  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


    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


    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
    Perry County, Pennsylavania


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

Similar Threads

  1. engine code po449
    By detailjohn in forum GM Powertrain
    Replies: 10
    Last: 12-31-2011, 06:20 PM
  2. P0147 Engine Code
    By Demick in forum General Chevy & GM Tech Questions
    Replies: 0
    Last: 03-09-2010, 06:37 PM
  3. New Guy, Service code question
    By jedepsub in forum Member Introductions
    Replies: 9
    Last: 11-30-2009, 03:32 PM
  4. Service Engine Code
    By BajaMark in forum General Chevy & GM Tech Questions
    Replies: 9
    Last: 07-08-2008, 12:28 AM
  5. Check engine code
    By WI_z71 in forum General Chevy & GM Tech Questions
    Replies: 4
    Last: 06-27-2008, 04:25 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts