Question about 2001 GMC Sierra 2500HD

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2001 gmc 6.6 diesel 2500hd,the problem wont rev

2001 gmc 6.6 diesel 2500hd,the problem wont rev over 2000rpm when eng light is on, put my code reader on no code found,but when i push erase to get the light off erery thing is find

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  • shawel10 Feb 07, 2010

    no,just one

  • mike watson
    mike watson May 11, 2010

    do you have 2 fuel tanks on the truck?

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Safety[ limp] mode truck wont go over 2000 rmp but it will get u safely off road or to a service station or home ur getting some kind of code thats effecting ur truck --use a different reader urs might not be able to retrieve the problem code but can reset the computer-some auto stores such as auto zone / advanced auto scan for free check shops in ur local area

Posted on Feb 07, 2010

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Posted on Jan 02, 2017

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1 Answer

206 wont rev above 2000rpm


is this gas or diesel,,, one of these is yours, and we cant guess it.
what country, this can change what EFI car uses. if any.

1.0 L D4D I4 (petrol)
1.1 L TU1JP I4 (petrol)
1.4 L TU3JP I4 (petrol)
1.4 L ET3J4 I4 (petrol)
1.4 L TU3JP I4 (petrol)
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2.0 L EW10J4S I4 (petrol)
1.4 L DV4 HDi I4 I4 (diesel)
1.6 L DV6 HDi I4 (diesel)
1.9 L DW8 I4 (diesel)
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to work on any car engine, whats under the hood(bonnet) counts.

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1 Answer

How do i hotwire my 2001 gmc sierra 2500hd diesel


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http://vatspasslockpasskeysecurityhelp.yolasite.com/

Feb 19, 2012 | 2001 GMC Sierra 2500HD

1 Answer

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Is the truck blowing a lot of white smoke during idle or initial start up? If so, you most likely have injectors that are not performing correctly, not allowing vehicle to start.

Russ

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1 Answer

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1 Answer

Why wont my 2001 gmc sierra 2500hd go into 4th gear?


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1 Answer

Upper and lower thermostat on a 6.6 diesel


Yes there are two, one upper front and one right rear. Here are the AC Delco #'s Source: rockauto.com

ACDELCO Part # 131163 moreinfo.gif {#97241129}
THERMOSTAT,ENG COOL W/GASKET, FRT, 185 DEG $30.79
ACDELCO Part # 131131 moreinfo.gif {#97241130}
THERMOSTAT,ENG COOL RR, 180 DEG $31.79

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