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Anonymous Posted on Oct 28, 2013

Po446 code on 99 gmc sierra - 1999 GMC Sierra

4 Related Answers

Anonymous

  • 3092 Answers
  • Posted on May 21, 2010

SOURCE: 99 GMC Sierra fuel pump clicking sound

There should be no clicking sound coming out of fuel pump, if it's still running fuel pump is getting ready to go out on you, replace it,hope this was very helpful.

Testimonial: "Fast reply"

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Boneebone

  • 973 Answers
  • Posted on May 25, 2010

SOURCE: original color code "burgundy" of 1989 gmc sierra 2500

Use this guide to help you find the color
https://www.duplicolor.com/color_selection.pdf

Testimonial: "Thanks!!! I had checked there, but that part of them sticker is worn off. I should have been more clear. Thanks so much for taking the time to try and help. Have a great night!"

Anonymous

  • 2309 Answers
  • Posted on Aug 19, 2010

SOURCE: My 99 gmc sierra 4wd

sorry there is no quick fix, if there was a general code it would be too simple to steal any radio, check the owners manual or somewhere in the glove box

tayjoejoe

Joe Taylor

  • 2229 Answers
  • Posted on Mar 27, 2012

SOURCE: my security light stays on & won't let my 99 gmc 6.5 diesel sierra start any solutions

Yes, the system is called Passlock, and malfunctions regularly. Go to this link for an explanation of how it works, plus some tricks and tips on how to reset it, or bypass it.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

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Color coded wiring diagram 1995 gmc sierra electric windows

Google the
wiring diagram 1995 gmc sierra electric windows I found several systems offering what you require.
But what is the problem, 99% of the time in that year the window regulator was at fault, it was made from a stapped steel housing verses an cast unit. We check the left switch for power, disconnect the two wire connector at the motor, and see if the motor has power to one side or the other in the connector. If the switch has power to it, and the motor has power to it as you press the button, the motor is at fault.

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I think you mean vent valve? its slides on that bracket poor design
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P0446 2007 gmc yukon

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PO446-Evap System Vent Control Circuit Malfunction

If the Evap Vent Valve or it's control circuit are bad, then
you can't fill the fuel tank
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Gm code po446

Generic Code --not GM

PO-446 Evap Control System Vent Circuit Malfunction
1helpful
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My security light stays on & won't let my 99 gmc 6.5 diesel sierra start any solutions

Yes, the system is called Passlock, and malfunctions regularly. Go to this link for an explanation of how it works, plus some tricks and tips on how to reset it, or bypass it.

http://vatspasslockpasskeysecurityhelp.yolasite.com/
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Po446 code on a 2000 gmc 50000 miles

DTC P0446 Evaporative Emission (EVAP) Vent System Performance. possibly the evap vent valve failure.
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My 99 gmc sierra 4wd stereo is locked and the dealer is gonna charge me to fix it. How can I get the code?

sorry there is no quick fix, if there was a general code it would be too simple to steal any radio, check the owners manual or somewhere in the glove box
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