1994 GMC Sierra - Page 2 - Answered Questions & Fixed issues
Why does truck shut off when warmed up about 10 min?
I would be looking at the coil and ignition module. Check the plugs first for corrosion. Since coils don't come back to life that quick. I would remove the module and have it checked, call first. Some parts stores can still check them.
11/27/2015 4:45:51 PM •
1994 GMC Sierra
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Answered
on Nov 27, 2015
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166 views
Turns over but won't start?
how fast it turn over did you check the voltage in the battery? if you did check to see if there is spark at the plugs if there is spark check to see if it getting gas if you are getting gas remove a spark plug and check for compression by using a compression tester if you dont have a com/tester stuff something in the spark plug hole and roll ove the engine and it should blow out with force that will hit the hood hard then after checking all of the cylinders and they all seems to have good compression check your spark plugs if they are wet with gas replace them they may be faul out change them and you should be on your way
11/8/2015 1:51:14 AM •
1994 GMC Sierra
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Answered
on Nov 08, 2015
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180 views
The hi / low switch quit working - how do I fix?
Hi there I am technology tech mechanic I work on electric and man. I come from line line of mechanics I am 5gen the switch has to be replace no other way to do but first you need to test the whole circuit for a open circuit
10/21/2015 4:12:11 PM •
1994 GMC Sierra
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Answered
on Oct 21, 2015
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101 views
Why are brake lights not working?
Check the brake switch (although I don't know exactly where yours is located....start near the pedal). When you find it make sure the pedal actually operates the switch and it hasn't come away from any fixing point and try to manually operate the switch and check your lights. Some switches operate by being pressed by the pedal operation and others by a spring that pulls the switch. If still no lights then short out the wires and see if the brake lights work then. If they do then the switch is faulty. If not then it is a wiring issue.
5/13/2016 3:42:37 AM •
1994 GMC Sierra
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Answered
on May 13, 2016
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123 views
Replaced altornator 3 times and wire to battery
if you replaced alternator 3 times , have you had your battery tested ? if battery is bad usually that will cause alternator to keep going bad . try having battery tested . might just need a battery
7/6/2015 2:33:44 AM •
1994 GMC Sierra
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Answered
on Jul 06, 2015
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380 views
Stalls when put into drive or reverse
Your idle air controller may be failing. Begin checking for stored codes using a code reader, and progress to standard troubleshooting steps such as checking spark, fuel delivery, and operation of the intake air control circuit.
5/11/2015 2:00:10 AM •
1994 GMC Sierra
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Answered
on May 11, 2015
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307 views
1994GMC6.3FUELPUMPWILLNOTCOMEOINGUNITN iREPLACEDOILSEND
GMC loves to eat fuel pumps for breakfast. They burn up and short out all the time... Especially with older models like yours... Check fuses and relays... Make sure it's wired right... If that don't work... Take the pump out and install an in-line fuel pump. If that's not for you... You can try a direct 12 volt connection to the in tank pump and put an on/off switch in the cab... But don't forget to turn it off every time you shut off the engine... I did that with my old S15. Good luck.
3/2/2015 9:24:58 PM •
1994 GMC Sierra
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Answered
on Mar 02, 2015
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95 views
How do I remove the door assembly on a 1994 gmc Sierra k1500
Hello,
There's in usually two ways to remove a car door. Either the hinges bolt to the frame of the car, OR they bolt to the inside of the door. In some cases they are welded in place, but that's pretty rare. If you can open the door, look in the door jam snd you should see the bolts. If you don't, try removing the interior door panel and look on the inside of the door (towards the front) and you should see them there. I'm sure the window frame will have to be in the "up" position. Good luck.
3/2/2015 3:00:07 PM •
1994 GMC Sierra
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Answered
on Mar 02, 2015
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65 views
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