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  1. Trstrugar

    TV Cable question

    My truck is a 1994 GMC k1500. My question is in regards to the TV cable. I have had idling issues with this truck since I got it, and I think I have narrowed it down to a poorly rebuilt TB. My truck seems to have delayed shifting, and it shifts mighty hard when it shifts normally. I messed with...
  2. Trstrugar

    Brake Light Switch question

    My truck is a 1994 GMC 1500 4x4 5.7l. I recently replaced the brake light switch and it works, but i think i damaged clip that holds it on there. It will slide a little bit, and stop working. Im wondering if anyone has any tips on how to secure the switch tightly on there, or where to find a new...
  3. Trstrugar

    Low idle/stalling new thread

    My truck is a 1994 GMC z71 1500 with a 5.7l and 700r4 tran. I am having low idle problems. The truck runs great when it's cold and first started up, voltage is at 14 and it idles normal. when in drive it will idle low, around 200. It gets worse after driving for about 20 minutes and it is fully...
  4. Trstrugar

    Truck will not start!

    My truck is a 1994 k1500 with a 5.7l. The truck will not turnover. When I turned the key it just sort of sounds like it wants to try, and power is going to the engine, but something is preventing it. The battery is not dead, and it does not click as if it were. I am throwing 2 codes. One 32 for...
  5. Trstrugar

    Fuel pump relay location

    my truck is a 1994 k1500 with the 5.7 l. It is a gmc if this matters for this. I am unable to locate the fuel pump relay, and have not been able to find anything on the Internet. Also if anyone has any tips for getting that second bolt off of the EGR I would appreciate it! Tyia
  6. Trstrugar

    Low idle/stalling

    My truck is a 1994 k1500 with the 5.7l. I have fixed a few issues with this truck from the previous owner, including re wiring the IAC valve, replacing the o2 sensor, and fixing the vacuum line from the map sensor to the throttle body. All were easy and fixed all the codes. Now the truck is not...
  7. Trstrugar

    Map sensor Issues

    My truck is a 1994 k1500 with a 5.7l. I am throwing a code for a 33, map sensor voltage high. I tried replacing it, but it made no difference. The truck starts up rough and sputters for about 10 seconds, then it appears to run fine. When I unplugged the sensor it would start up fine, but run...
  8. Trstrugar

    MAP Sensor issues

    My truck is a 1994 GMC k1500 with a 5.7l. I am throwing a code 33 for a map sensor. The truck has rough start up for about 10 seconds and then it seems to run fine. When I unplug the sensor it starts up fine, but runs extraordinarily rich. I replaced the sensor and it didn't make a difference so...
  9. Trstrugar

    White smoke out of one exhaust pipe

    My truck is a 1994 gmc k1500 with a 5.7l. I noticed that I have a little bit of white smoke coming out of left exhaust pipe, but not out of the other. It smells a little bit sweet when I put my hand up to it. It is dual exhaust so my first instinct was head gasket, as it is only the one side...
  10. Trstrugar

    IAC Wiring

    Throwing codes for IAC valve/Wiring. The guy I bought the truck off of told me that the wiring was done incorrectly. I can't seem to find a harness and plug with anything but black wires. The original wires are colored I don't understand why the aftermarket ones are not, or how i can figure out...
  11. Trstrugar

    02 delete

    I have a 1994 k1500 with a 5.7l. The guy before me put on headers and true duel 2.5 in exhaust, but the truck will not run correctly because there are no o2 sensors connected. I had a hole cut and a bung welded onto the pipe closest to the plug, and it had no effect. The truck still wants to...
  12. Trstrugar

    Overall need help

    I am in need of some experienced advice here. I bought a 1994 gmc 1500 with a 5.7l from a 1995 Tahoe, and a 700r4 transmission from I don't know where. The truck runs and drives, but runs extremely rich, and runs codes for a variety of different sensors including the maf sensor, mat sensor, 02...

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