Alright I've told the story before. In March the truck got new injectors installed, $3700 later the truck still wouldn't start so the guy sold it not running.

Next owner buys it and puts a new CP3 pump on it, but it still won't fire up on it's own and fuel system won't hold a prime.

So, I bought it last week. On the advice of a friend that works on diesels he said replace both lines off the fuel filter housing with clear tubing(temporary) to see if I'm getting air before or after the filter housing. There were no bubbles from the FICM to the filter housing, but there was a constant flow of bubbles from the housing to the CP3. Sooo, I thought the housing was cracked so I ordered a brand new one with new everything attached to it. I installed it and pumped the primer and it got nice and hard and held a prime. We every time you spin it over it looses prime. I got it to fire of a small squirt of WD40 and now there was bubble from the FICM to the housing!!! So I went to the dealer and got new washers for the banjo bolts and installed those and it seemed to fix that issue but now I've got bubbles from the housing to the CP3 again.

With the truck running should diesel completely fill the hoses at idle? Reason I ask is neither hose completely fills with diesel but they both flow fuel constantly while running. I'm out of ideas without taking it to a shop and leaving it with them.

 

Fuel filter housing bleeder screw is extremely easy to strip or crack . This one really helps .

Air Bleeder Screw - GM [5130810] - $14.99 : Pacific Performance Engineering, Innovations in Diesel Performance

It can take awhile to get all entrained air out of the system . You may have to drive it around to get all the air out of the hoses . I wonder if you don't have and air leak further back seen any air bubbles comong from the tank.

 

I have the dmaxwrench fuel filter housing with the brass bleeder with o-ring.

I drove it about 2 miles early, it smokes pretty good idle and when you pull off, it's not too bad driving, but it never gets any better at idle. It's a blue/white smoke, it rolls out smoke if you rev it sitting still. Truck pulls great, but I'm scared to drive it like that.

How far are you thinking I need to drive?

 

Where did you get the injector a from?

 

Receipt shows injectors were bought at the GM dealership, $1700

 

$1700 for a complete set of injectors from a dealer? Sounds awfully odd to me.

 

$1700 was parts only, he paid an independent shop for the install. I have the receipt for the injectors from the dealership.

 

i purchased mine from the dealer for 2k

 

I realize that and it is still too cheap. Injectors from the dealership should be right around $2000 which is $250/each. I would honestly be concerned where they got them from.



Also where are you located? If you're relatively close I would like to take a look at what you've got going on. Thanks

 

Mike Bell Chevrolet, $218.50 per injector.