Duramax Diesels Forum Truck of the Week
  #16  
Old 07-25-2012, 10:54 PM
Darius6t9 Darius6t9 is offline
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At the dealership I work at, customer don't pay squat if we can't find what is wrong when there is obviously a problem. They only pay the Diag time and the actual fix labor and parts. If it was misdiagnosed then they don't pay for that. Just what actually fixes the problem.
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  #17  
Old 07-26-2012, 12:46 AM
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I am a diesel mechanic with more than 20 years exp. I've worked at dealerships, independent shops and taught diesel tech at the collage level. I mostly work on semi trucks but switched to the small stuff about 3yrs ago. Don't think the dealers are experts. I've seen my share of dips. Its hard to take it somewhere else because GM is stingy with the diagnostic software. Most of the techs nowadays can't find their ass if the computer didn't tell them where it was.
I am working on a truck with a similar problem now. I don't want to get too much into your business but give you things to think about. OBD2 only can tell you when a sensor has failed or is out of parameter or if an electronic component is not responding. It will not detect mechanical failure. They need to preform a cylinder balance test which will show the percentage of power each is producing along with a cutout test.
White smoke in a cold engine is unburnt fuel, its caused by water droplets in the fuel. In a warm engine, its coolant entering the cylinder. The knocking is usually an injector running lean. Clogged nozzles will not set a code.
When an engine goes into "Limp-Home" mode, its because the ECM detected something wrong that will destroy the engine or transmission like overheating or low oil pressure. But a crank or tps sensor will cause the same reaction its usually followed by a code.
I noticed that you have an 05 with about 100k kms. It may be hard to believe, but thats not good for diesel engines (great for resale) but they need to be worked.
A leaking injector cup or warped head will cause much of what you describe but to find it is expensive because they will have to pull all the injectors. A reman engine is $7k at the dealer which is overkill but you have already spent half as much. Just to let you know, not telling you to run out now and buy. The balance test will narrow it down.

Last edited by ddac44; 07-26-2012 at 01:30 AM. Reason: grammer
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  #18  
Old 07-26-2012, 05:41 AM
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thanks for the input. I am giving it today for this guy to try and diagnose, then its off to buy a new f350... missed one too many family vacations...
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  #19  
Old 07-26-2012, 06:10 AM
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White smoke can be from injectors in either cold or warm engine conditions also. The injector allowing fuel into the cylinder when it isn't suppose to be doing that. Low compression on cold startups can cause white smoking too. Many symptoms are the same for a different part failure. Computers will not tell you what your problem is. A real diesel technician can.

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  #20  
Old 07-26-2012, 07:36 AM
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so sounds like this thread was pretty much a waste
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  #21  
Old 07-26-2012, 08:45 AM
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Ice pick time.

can someone find a link to a thread detailing instrctions and post it for him? not so easy from my phone.
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  #22  
Old 07-27-2012, 12:13 AM
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I own a small transportation company, We use diesel pick-up to run "Hot-Shots", everybody there has different types of trucks. We usually pull 15k-25k lbs. I know two guys who have new Fords, They were replaced under the "Lemon Law". Most of us run Cummins, Five of these guy, 2004 through 07 have 700k miles with on major repairs. I run a 1999 Cummins but it only has 380k miles on it. Most of us keep our truck stock. I am not a Ford fan, they have many problems with the HUEI systems. The 7.3 was a good motor but I haven't seen them be as durable as the 5.9's. And don't even mention the new ones. You could not trade me two Fords for my 99. I brought a Duramax LLY because I like Chevy first, but the 6.5 was junk. I wanted more power with fuel mileage. There are problems with all makes. The Duramax is new and they are fixing the flaws as time goes on. The 06 & newer is a major improvement over the LB7 and LLY. My point is that out of small percentage of us, the guys running the Fords have way more breakdowns. Most guys who swear of the Fords aren't 1200 miles away from home when something goes wrong.
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  #23  
Old 08-01-2012, 09:30 PM
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Quote:
Originally Posted by Redbowties88 View Post
Ice pick time.

can someone find a link to a thread detailing instrctions and post it for him? not so easy from my phone.
Possibly needs an ice pick. Not sure how to diagnose if it needs the ice pick done but I thought it throws an injector code when that fix is required.......

It needs someone logging rail pressure and current when it does that and a bottle test done. If it isn't holding rail, but passes a bottle test I'd be replacing all the rubber fuel lines and the pick-up line in the tank. If the bottle test fails, change or shim the FPRV.

But it's been a week now and buddy either fixed it or is now the proud owner of Ford. Sorry about his luck if that is the case.
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  #24  
Old 08-02-2012, 04:12 AM
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I checked back with this guy and im sorry to say he let the mechanic have it pretty cheap and bought a new f350
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Quote:
Originally Posted by flyinelvis11
i'll let you use anything i got except my wife and my truck; it's too easy to throw a rod in either one):h
Quote: Carter 44
Boost is like a hot girl with an STD...you know you want to hit it but your afraid of the consequences
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Quote:
Originally Posted by McRat View Post

You come off as a Timeshare Condo salesman on this site.

If you were helping folk with problems, or asking for input on your problems, it might be different, but from where I see, you are only a little different than the Russian spammers selling iPads that we delete.

Act like more of a human, and less like a spambot, and you'd probably catch less heat. This is "family", and it's our corner bar, and a group of guys with grease all over them leaning over fenders of somebodies truck that ain't making the right boost.

It's also one of few sites with more hardcore wrenches and racers than wannabees.

You're welcome to be a member here, and post about your build, but don't expect people to shower you with roses yet. That comes with seat time on the site, and on the track.
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  #25  
Old 08-02-2012, 09:40 AM
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Quote:
Originally Posted by blk smoke lb7 View Post
I checked back with this guy and im sorry to say he let the mechanic have it pretty cheap and bought a new f350
Lol thats not a bad idea if you have no morals... No sir I can't fix your truck but seeings it doesn't run for chit I'll give 20 bucks and case KY for your trouble.
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  #26  
Old 08-02-2012, 09:48 AM
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Quote:
Originally Posted by blk smoke lb7 View Post
I checked back with this guy and im sorry to say he let the mechanic have it pretty cheap and bought a new f350
some people just like throwin money out the window. Just wish that cash would fly this way!
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Originally Posted by JoshH View Post
Mike L is my role model. I want to be like him when I grow up.
James

02 LB7, LLY, LBZ, LMM, LML, L5P 2500HD CC/LB dmax/alli "The Limo"

BIG THANKS TO: Mike L, Steve, Trent, Guy, Dan, Ruben, Josh H, Scott, Brian and everyone else who has put a hand in to help me.

best time to date: 12.39

motor died/bent rods = 3/11/11
back from the dead 7:04pm 4/9/2012

Limo is back in the garage, now driving a built chevy tracker
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  #27  
Old 08-02-2012, 10:05 AM
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Blame it on the Chevy dealer he was at.To bad....he said he would have bought another Chevy but after his dealings with the steelership and them holding his truck for ransome till he paid the bill he decided to jump the fence.
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Quote:
Originally Posted by flyinelvis11
i'll let you use anything i got except my wife and my truck; it's too easy to throw a rod in either one):h
Quote: Carter 44
Boost is like a hot girl with an STD...you know you want to hit it but your afraid of the consequences
rollncoal07:Twining is wining
Quote:
Originally Posted by McRat View Post

You come off as a Timeshare Condo salesman on this site.

If you were helping folk with problems, or asking for input on your problems, it might be different, but from where I see, you are only a little different than the Russian spammers selling iPads that we delete.

Act like more of a human, and less like a spambot, and you'd probably catch less heat. This is "family", and it's our corner bar, and a group of guys with grease all over them leaning over fenders of somebodies truck that ain't making the right boost.

It's also one of few sites with more hardcore wrenches and racers than wannabees.

You're welcome to be a member here, and post about your build, but don't expect people to shower you with roses yet. That comes with seat time on the site, and on the track.
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  #28  
Old 08-02-2012, 05:07 PM
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Unfortunate for him, I want to know what is meant by a new f350, if it is truly new, y didn't he just come off the money and buy a new(er) dmax say 06 and new(er)! Hope he does have good luck with that, but may end up spending more money in the end. I knew a guy that has an 03 with the 7.3, strong motor, trans aint worth a penny, blew it out at least 3 times so far, luckily all under warranty.
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  #29  
Old 08-02-2012, 06:53 PM
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Quote:
Originally Posted by werewolf View Post
Unfortunate for him, I want to know what is meant by a new f350, if it is truly new, y didn't he just come off the money and buy a new(er) dmax say 06 and new(er)! Hope he does have good luck with that, but may end up spending more money in the end. I knew a guy that has an 03 with the 7.3, strong motor, trans aint worth a penny, blew it out at least 3 times so far, luckily all under warranty.
I totally agree
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04 LB7 CC/SB EFI live, S366,S483 , Born again 08/10/2011 11.64@117
Some wicked tuning by Bo-Bo (Bob olson) Thx Bob

Quote:
Originally Posted by flyinelvis11
i'll let you use anything i got except my wife and my truck; it's too easy to throw a rod in either one):h
Quote: Carter 44
Boost is like a hot girl with an STD...you know you want to hit it but your afraid of the consequences
rollncoal07:Twining is wining
Quote:
Originally Posted by McRat View Post

You come off as a Timeshare Condo salesman on this site.

If you were helping folk with problems, or asking for input on your problems, it might be different, but from where I see, you are only a little different than the Russian spammers selling iPads that we delete.

Act like more of a human, and less like a spambot, and you'd probably catch less heat. This is "family", and it's our corner bar, and a group of guys with grease all over them leaning over fenders of somebodies truck that ain't making the right boost.

It's also one of few sites with more hardcore wrenches and racers than wannabees.

You're welcome to be a member here, and post about your build, but don't expect people to shower you with roses yet. That comes with seat time on the site, and on the track.
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