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  1. I

    94 Chevy K2500 6.5 Multiple Codes Present

    I will definitely look into that. I'm planning on doing a vacuum pump delete soon anyways.
  2. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Thanks for the info. 96 and up has airbox won't work because they are flipped around for the filter compared to the K47 airbox. I wanna do a 5" exhaust just cause I think itd be cool and unique and loud as hell which is what I'm going for. Ive got the #7 resistor right now and my truck blows...
  3. I

    94 Chevy K2500 6.5 Multiple Codes Present

    She started up normally this morning, little bit of smoke but normal start. But when I started it, check engine light came on and stayed on for code 36. I'm assuming it'll probably go away after the truck is warmed up? After I replaced the relay yesterday, all I was getting was the normal...
  4. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Thank you I will definitely do that!
  5. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Yeah I believe that airbox will probably fit my truck. Finding one is gonna be the hard part.
  6. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Oh okay that's good to know. It was doing it even in 90 degree weather before it started getting colder. The next thing I wanna do is a cold air intake. Dont wanna spend the ridiculous amount of money for the aftermarket ones, so I'm gonna make my own. Would I be able to use the bottom of an...
  7. I

    94 Chevy K2500 6.5 Multiple Codes Present

    That's what I wondered. Thanks for the info and help everyone! I'll see in the morning if it still runs rough and smokes a lot. Just replaced the relay today so haven't had a chance to see if it still does or not but all codes are gone.
  8. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Well, changed out the glowplug relay and the codes went away instantly! So far so good, haven't had the intermittent check engine light since. Although, the glowplug light doesn't come on as long now as it did before even after sitting for awhile. Is that normal?
  9. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Okay. I apologize I dont know electrical stuff very well. So basically just replace the glowplugs?
  10. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Yes I do get a glowplug lamp at each and every cold start up. It always comes on. It only comes on for about 8-10 seconds though (depending on how old it is outside), it seldomly if ever flashes again after that period of it staying solid. Didn't check the ohms, used a test light to see if...
  11. I

    94 Chevy K2500 6.5 Multiple Codes Present

    So I am getting power to the ground wire side of the relay (with key on) and all of my glowplugs have power as well. I'm kinda at a loss now. Maybe the relay is working?
  12. I

    94 Chevy K2500 6.5 Multiple Codes Present

    I'm going to replace that GP relay and go from there. Thank you for the info! Not too familiar with diesels so I appreciate it!
  13. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Where is the ground for the glowplug relay? If it's the ground at the back of the intake on the passenger side, I've already cleaned and fixed it.
  14. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Okay I'd be that's my issue then. Starting to get longer crank times and more smoke. So the relay can still be bad even if it clicks? It's not super loud though but it does make a click.
  15. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Yeah mine has thrown the code 29 since I bought it. The relay that's on there currently seems to be of decent quality, says Made In USA. Would a Standard Motor Products relay be okay to put in there? Could that also be the cause for it wanting to smoke and cold start even when it's not very...
  16. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Oh okay so they do go bad often then? Were they pulling a glowplug relay code everytime? Mine is pulling a GPS relay fault code but in getting power to it and it looks fine on the outside. Maybe bad parts on the inside?
  17. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Okay I'll try that.
  18. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Yeah it was affordable and convenient at the time. I filled her up with green coolant too. She's still smoking white on startup and still getting glowplug relay fault code and injection pulse width timing long code. Heard a slight buzzing coming from injection pump at idle while inspecting...
  19. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Okay. Water pump took a crap on me over the weekend. Or at least, it was the cause of the pissing coolant. Replaced that, and then it was leaking out the hose connecting the water pump to crossover. Replaced that, now leaking at heater hose connector and passenger side thermostat crossover...
  20. I

    94 Chevy K2500 6.5 Multiple Codes Present

    Okay. Yeah I put a test light in the glowplugs with the connectors still connected, have not tried them unplugged yet. The light did not come on at all when I did that though.
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