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BOBBYSS
BOBBYSS, Master Technician
Category: Chevy
Satisfied Customers: 17238
Experience:  ASE MASTER CERTIFIED, AA DEGREE AUTO/DIESEL TECH
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2003 Chevy: duramax..sprayed starting fluid..air filter..few seconds

Resolved Question:

My 2003 Chevy 2500 Duramax does not start in the morning. It only starts after I have sprayed starting fluid on the air filter. It also starts after it is warm, but only after it turns over for a few seconds. The truck has new bus bars, new glow plugs, new fuel pump and diagnostics show that it has no problems.
Submitted: 6 years ago.
Category: Chevy
Expert:  BOBBYSS replied 6 years ago.
Hello JACUSTOMER, do you get any smoke from the exhaust once the vehicle starts?
Customer: replied 6 years ago.

I am not really sure, I havent noticed any excessive smoking.

Expert:  BOBBYSS replied 6 years ago.
Okay. Most of the time this problem is due to a bad fuel injector. When and injector goes bad and sticks open this will happen.
Customer: replied 6 years ago.
all of the injectors tested fine too
Expert:  BOBBYSS replied 6 years ago.
Were they checked to see if they are leaking when the vehicle is shut down?
Customer: replied 6 years ago.
I do not know, but I will ask.
Expert:  BOBBYSS replied 6 years ago.
Okay. Find this out. If this was not done then they need to check and see if the fuel pressure is bleeding off when the vehicle is shut down.
Customer: replied 6 years ago.
they are testing for air bubbles in the fuel line today. using a clear line to see through for air.
Expert:  BOBBYSS replied 6 years ago.
Okay. Let me know what they find. It may be a fuel pump issue.
Customer: replied 6 years ago.
The fuel pump is new, they put it on a week ago.
Expert:  BOBBYSS replied 6 years ago.
Are they suspecting air in the system due to holes in the lines?
Customer: replied 6 years ago.

I believe they are.

Expert:  BOBBYSS replied 6 years ago.
Let me know what they find.
Customer: replied 6 years ago.
Will do, thanks.
Expert:  BOBBYSS replied 6 years ago.
Okay.
Customer: replied 6 years ago.
The injectors tested fine and there were no air bubbles in the fuel line. They did however find diesel in the oil pan, which is causing the oil level to rise. Is this a sign of the injectors leaking by?
Expert:  BOBBYSS replied 6 years ago.
This is definitely a sign of bad injectors.
Customer: replied 6 years ago.
Why is the computer not picking this up as bad injectors?
Expert:  BOBBYSS replied 6 years ago.
The computer does not always pick up bad injectors.
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