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  1. 6.5L Diesel Engine
    Ok. I have a 1996 k2500 suburban with 6.5. I have been reading every forum post I can find on this site and others trying to figure my problem. my initial problem after buying the truck is I was having a surging/erratic throttle pedal response. it started fine even at 0 degrees Fahrenheit...
  2. 6.5L Diesel Engine
    Cold tired grease monkey in need of help. I am attempting a DB4 to DB2 injection pump swap for my 6.5l, and it's currently sitting at no-start, and I'm suspecting the pump I got is bad. I picked up a used DB2 injection pump, person I bought it from said it was from a truck that broke the crank...
  3. 6.5L Diesel Engine
    Hey guys, I disconnected my optical sensor on a 1998 K2500 HD Silverado. The connector on the wiring harness that plugs into the visible part of the optical sensor has a rubber boot/seal on it. A blue ribbed seal. It is no good. I had the injection pump replaced and they broke the clips on the...
  4. 6.5L Diesel Engine
    Looking for a reputable place to buy injection pump that will not take 2-3 weeks to get. DS4.
  5. 6.5L Diesel Engine
    So I have a 99 K2500 Suburban, 230,xxx miles. When I purchased it, it had a grease car system on it. It would idle sporadically, lose fuel going down the highway, and die occasionally. It would way up the boost to make up for no fuel. It had already had a PMD relocated to the front bumper on a...
  6. 6.5L Diesel Engine
    1999 VIN F K2500 DS4 Injection pump So I replaced my injection pump and need help with the timing. I’m using a LAUNCH X431 scan tool. No idea if this is reading accurate numbers or not was hoping someone could tell me if this scan tool can do the job. I think I can handle the offset adjustment...
  7. 6.5L Diesel Engine
    My 92 k2500 6.5 starts hard after it sits for over an hour. the longer it sits the longer it takes to start. I replaced the lift pump but it didn't change anything, It will still crank for 10-30 seconds before it starts. None of the fuel lines are wet and theres no visible leaks. Lately theres...
  8. 6.2L Diesel Engine
    Howdy folks, I have a 1985 3/4 6.2l GMC and I have a problem I am trying to figure out how to resolve. The previous injection pump broke so a man from work gave me one that he had (used, of course) and I replaced mine. My truck turns over quickly but doesn't fire for up to ten seconds, but if I...
  9. 6.5L Diesel Engine
    Hi guys, new to this forum. I’ve been her a million times before today to find the easiest fixes for my truck, but this one has stumped me for more than 2 weeks now. I’ll start with some history since i’ve owned the truck. I bought it 2 years ago, within the first 4 months the PMD **** the bed...
  10. 6.5L Diesel Engine
    So i have an issue with my 6.5. I have already replaced the wastegate actuator, boost solenoid, intake temp sensor, egr (tuna can) and the map sensor on the the intake. The issue I am having i have gotten mixed answers but I wanna hear your opinions. I can be driving down the road just fine and...
  11. 6.5L Diesel Engine
    So I bought my 1997 6.5 turbo diesel a year ago. The other day I was getting on the freeway and she died. Tried to restart and just turned over no start. Started tearing into it and turns out the injection pump was barely hanging on by two loose nuts and one had fallen off. So my question is...
  12. 6.5L Diesel Engine
    About a month ago, I replaced my original IP with a reman from Badger Diesel. They had the best price (that wasn't a rebuilder from Florida,) and since I just finished building my house, money was certainly a factor. I have bought parts from them before, and everything always worked fine, but I...
  13. 6.5L Diesel Engine
    Good morning all, due to the number of miles (just rolled over 251k) on my truck I think it would be a good idea to change the timing set. Looked in the manual and it looks like you have to remove the IP, water pump, harmonic balancer/pulley, then the timing cover itself. Does that sound about...
  14. 6.5L Diesel Engine
    Working on a 1995 Chevy 2500 with the 6.5L TD. Had a fault for the optical sensor. Removed the optical sensor and found where the wheel had been chipped. Ran fine but would derate in limp mode - no smoke. Replaced injection pump with rebuilt pump from Pinellas Diesel in Florida. Unable to get it...
  15. 6.5L Diesel Engine
    I'm a complete newbie to diesels, but I bought a 1996 RV with a Chevy 6.5L 3500 engine. It started losing power, and the diagnosis is "injection pump is bad. Code is for an internal calibration problem." So the mechanic says the fix is to repace th injection pump, for $2879 in parts and $5100...
  16. 6.5L Diesel Engine
    does anybody recommend the gm (acdelco) remanufactured ds4s? they seem to be reasonable at around $800. my 1999 suburban has one that was installed, with new pmd, in 2012. still runs great but has begun to leak like a sieve. if i can't fix it or if i bollix it up somehow i'll be needing a...
  17. 6.5L Diesel Engine
    Diagnostic checklist to follow. The only thing that weirds me out is the P0606 code. Anyhoo… 1. Describe the problem you are having in detail: Surging, stalling, lack of power, hard start, generally when warm. 2. Year of truck/engine. 1998 K2500 3. Odometer reading (indicate miles or...
  18. 6.5L Diesel Engine
    I'm sure this has been a topic before but I have a 2000 K3500 6.5 that will start everytime on a cold start but after running and then shutting down for 10-20min it will not start until the engine is fully cooled again Engine cranks and does not sound weak truck is under 120k miles, also no...
  19. 6.5L Diesel Engine
    Just looking for thoughts or previous experiences if anyone would like to chime in. Going to be a little long winded. My 94 Blazer had a little trouble recently. I’ve done every recommended mod and upgrade listed on this site. Only took two years sitting in the garage! For the last two years and...
  20. 6.2L Diesel Engine
    I am just to place an order at Pensacola Fuel Injection (Pensacoladiesel) when I read some bad reviews. Any advice on where to buy a decent refurbished IP? Any one having experience with Pensacola? Please advice!
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