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Search results

  1. G

    GMTD scan tech

    I thought I mentioned in my post that the new pump was a reman. I read some where the reman pumps come w/ red ID plates. Still curious if my original pump was opened up at some point because of the white sticker. I still haven’t heard anything back about the reman pump. I called...
  2. G

    GMTD scan tech

    Did you take look at the TSB. It’s very confusing to me. The new pump and engine harness seems to be the original design (as per TSB) and my original pump and engine harness and PDM extension harness are the currant design very confusion. Shouldn’t it be the other way around? Here’s a pic of my...
  3. G

    GMTD scan tech

    https://www.thetruckstop.us/forum/attachments/img_0316-jpeg.83312/ Here a pic of my original pumps tag.
  4. G

    GMTD scan tech

    https://www.dieselplace.com/cdn-cgi/image/format=auto,onerror=redirect,width=1920,height=1920,fit=scale-down/https://www.dieselplace.com/attachments/screenshot_20220418-122752_drive-jpg.650440/ I was scrolling the the diesel forums to read up on the DS4 pumps and found this TSB. the new pump...
  5. G

    GMTD scan tech

    Looks like I’ll have a little time before I go to the 60g GP. I e-mailed QS about the reman IP not running good on my truck and e-mailed a video of the truck w/ the original pump on. Also he said the scanner data I sent him previously had good pump timing numbers on it and didn’t...
  6. G

    GMTD scan tech

    Thanks guys, can you tell if they are self regulating GP,s without pulling them? When they turn on they run about 6to7 seconds then if I turn them on right away they only run for a second. Are they still in danger of swelling because their no marking son them? The motor starts cold w/one GP...
  7. G

    GMTD scan tech

    Thanks guys, yes I did talk to him about my truck running bad and e mailed him videos of engine data and w/my truck running badly w/ the new pump on. And he e-mailed me back w/ some suggestions. Yes he seems to be very helpful. He e- mails back all the times I had questions. I’ll send him the...
  8. G

    GMTD scan tech

    Hi all I just finished up installing my original IP and did the Time Set and the TDCO offset learn. I use a ECT fooler because I had drained the coolant out to remove the intake and didn’t want to put the coolant back in because I was going to take the intake off again. It started up with no...
  9. G

    GMTD scan tech

    Thanks Marty, I think we’re on to something on the GP ,s. I just thought that having the correct amp readings on the GP harnesses 100+ amps on both harnesses and 50+ amps on just one. Along w/new GP and new harnesses was enough to start these motors. I was reading up on the GP systems on these...
  10. G

    GMTD scan tech

    Thanks Will for your input, I already have my original IP back on for troubleshooting purposes. If that doesn’t fix it I’ll be putting the new one back on then I can do the bottle test. Is there a volume level I should look for in each bottle? Or just make sure they all have the same...
  11. G

    GMTD scan tech

    Thanks Marty
  12. G

    GMTD scan tech

    Thanks d, I thought Glad meant the oil pressure switch. Is there a procedure in the Stickies on this site to extend the GP run time?
  13. G

    GMTD scan tech

    Thanks Glagulator, I haven’t tried my original IP. I have it installed and all the lines hooked up all I have to do is put the intake back on. No I haven’t disconnected those sensors but I did unhook the 2 wire ECT and the rpm’s went up and still smoked and I think it was still missing hard...
  14. G

    GMTD scan tech

    Hey MrMarty51, I would like to pop my Bosch injectors. I believe you mentioned buying an injection tester to re check your tested injectors. Where did you purchase that tester. Thanks.
  15. G

    GMTD scan tech

    Thanks d, I’m not sure what it smelled like, I’m an old gasser mechanic use to smelling a gasoline flooded exhaust. It wasn’t sweet. I keep checking the oil level to see if it ever rises. I did do a comp. test 400+ on all 8cyl. (post #157). I agree with you on the black smoke being...
  16. G

    GMTD scan tech

    Hi all I just got done getting my original IP in and all the lines hooked up. All the inj. lines where in there right spots. I sure was hoping at least one line was in the wrong place causing my problem. I did run the time set again and the TDCO when back to where it was. I did...
  17. G

    GMTD scan tech

    👍
  18. G

    GMTD scan tech

    No I haven’t mess w/ the timing. If I bump up the offset and it doesn’t fall back close to -0.44 would point to the IP I don’t think the chain is bad it’s a new motor. Done its a bad IP. But if it does fall back close to-0.44 could the IP still be bad causing my problem? Hope I find a inj...
  19. G

    GMTD scan tech

    Hi everybody, I don’t want to put anybody on the spot on this forum. But did anybody on here get a chance to look at the engine data video I posted? I do hope the video is viewable. I wanted to know if I set the timing right. Or can you even tell by looking at it? This is my first...
  20. G

    GMTD scan tech

    Thanks I noticed in your signature your truck is 2000’ mine is a 1995. Is this image good for my truck.
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