Well I picked up a new to me lb7, pretty clean with 300k body miles and 120k on new engine, trans, all bone stock. Owner gave me a good deal because the FPR was having issues, so now I have started trying to tackle the replacement, but I am having trouble getting the bottom bolt out from the...

Driving my trailer home from the weekend and first my truck started acting funny by not letting me rev the truck over 2000rpm. Nursed the truck close to home and the thing just shut off at a light. No check engine light but could a bad fpr cause a no start? Im maybe thinking it was losing rail...

Hello Forum. I've been a member for a few years, but have used this forum a lot since buying my LLY in 2011..This is my first post... You guys have helped me fix some things my self or at least helped me be able to discuss intelligently with "experts." There aren't many diesel mechanics in my...

I done a egr delete recently and noticed my truck throwing a p0090 dtc. After checking my wiring harness i seen that i broke the plug in on my fpr after replacing the fpr the code went away for a couple of hours but then i got codes p0088 and p0090. Could the new fpr be fault or could it be...

(Sorry in advance for the long post but any opinions/help would be greatly appreciated). I recently picked up a 2006 GMC Sierra 2500HD with an LBZ engine. Truck is 100% stock besides a 4” MBRP exhaust in its current state. Bought the truck needing a fuel pressure regulator because the truck was...

Hey guys , I have a 2005 GMC LLY . I was out hunting for about 6 hours creeping through the bush . When I put it in park the truck all of a sudden jumped to 1000 or so rpm with a loping / surge , similar to a high idle. As soon as I press on the brake it goes back to a normal idle with minimal...

So i just did all new injectors in my lb7. Got it back together and its loping real bad. After i give a little throttle the loping goes away but at an idle its aweful. So I checked for leaks, nothing. Wont hold a prime either. So i just got off the phone with this diesel mechanic at tires plus...