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  1. 07-21-2007, 09:21 PM #1
    Chevy1997
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    Default about tahoe 1997

    hie verybody again, my neihgbor has a tahoe 1997 and he had a trouble with truck. He received a code 1187 or 187 (meybe) in a computer scan. And in my town nobody knows what the code means and what he must to check/repair or change. Help us.
    Another question: how many money are paying for a galon super gasoline?

    we are paying here about 4 US$ per galon.

    Bye and thanks
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  2. 07-22-2007, 03:13 PM #2
    GaryL
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    Code 1187 is either "Engine Oil Temperature Sensor Circuit Voltage Low" or "Engine Oil Pressure Sensor Circuit Voltage Low". I don't think the 97 Tahoe had a oil temp sensor, so it is probably the oil pressure sensor. Does your gauge show low?

    I paid $3.03 this morning for mid-grade.

    Where are you located?
    Gary

    99 K 1500 Suburban
    78 Silverado Big 10 w/factory 454
    1977 Formula
    1976 Trans Am
    1980 Honda CB900 Custom
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  3. 07-22-2007, 06:50 PM #3
    Cableguy
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    Welcome. Here is the complete list of codes from a previous post.
    http://www.gmtruckclub.com/forum/sho...96&postcount=1

    P1187 O2 Sensor Heater Control Circuit (Bank 2 Sensor 2)



    Jamie

    2007 Ford E250(Work van) (Ya, Ya, shut up!)
    1996 GMC Sierra SLE 1500 5.7L/4L60E



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  4. 07-23-2007, 01:11 AM #4
    Chevy1997
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    Default thanks

    i´m located at Copiapo, CHile (atacama desert - ojos del salado vulcan.)
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  5. 07-23-2007, 09:06 AM #5
    Chevy1997
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    Default mid-grade???

    Sorry, but what you mean with mid-grade, 95 octanes, 93 or other?
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  6. 07-23-2007, 10:06 AM #6
    GaryL
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    We have 87 to 93 octane here. Mid grade is around 90. Wish we had some 95.

    Cableguy, I show the code that you described to be P1161, not P1187.
    Gary

    99 K 1500 Suburban
    78 Silverado Big 10 w/factory 454
    1977 Formula
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    1980 Honda CB900 Custom
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  7. 07-23-2007, 12:27 PM #7
    Cableguy
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    Quote Originally Posted by GaryL View Post
    We have 87 to 93 octane here. Mid grade is around 90. Wish we had some 95.

    Cableguy, I show the code that you described to be P1161, not P1187.
    Ya your right thanks Gary. How did I manage that...?

    P1187 - EOT Sensor Circuit Low Voltage

    I guess I'm a sandwich short of a picnic...



    Jamie

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  8. 07-23-2007, 02:05 PM #8
    GaryL
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    As long as you're not a beer shy of a 12-pack everything is alright. ;)
    Gary

    99 K 1500 Suburban
    78 Silverado Big 10 w/factory 454
    1977 Formula
    1976 Trans Am
    1980 Honda CB900 Custom
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  9. 07-23-2007, 08:51 PM #9
    Cableguy
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    Quote Originally Posted by GaryL View Post
    As long as you're not a beer shy of a 12-pack everything is alright. ;)




    Jamie

    2007 Ford E250(Work van) (Ya, Ya, shut up!)
    1996 GMC Sierra SLE 1500 5.7L/4L60E



    http://www.thefundumpster.com
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