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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van SPONSORED BY:

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Old 04-18-2010, 12:55 AM
bkuuz1 bkuuz1 is online now
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EGR issues

Hello, looking for a few answers about the EGR valves. A friend mine has a 6.0. (I have a 7.3 myself) His truck started running roof. Dealer changed original EGR. (#2) EGR went bad and replaced after 2,000 miles,(#3) EGR was replaced by dealer after 500 miles. Currently he's on the #4 EGR with about 50 miles.

Any ides?

Thanks
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Old 04-18-2010, 01:27 AM
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Is the dealer checking the oil cooler when replacing the EGR cooler?
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Old 04-18-2010, 01:55 AM
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Sorry, I don't have a clue what the dealer checking. What would I need to look for? What the issue issue?

Thanks.
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Old 04-18-2010, 03:40 AM
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Quote:
Originally Posted by mohle View Post
Is the dealer checking the oil cooler when replacing the EGR cooler?
He said they are replacing the valve not the cooler.
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Old 04-18-2010, 06:38 AM
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Causes of Coking (TSB 08-2-7); DETERMINE THE ROOT CAUSE:
Un-combusted fuel is usually evident as fuel scented white exhaust smoke. Un-combusted fuel may create coking which impairs system functionality eventually leading to black exhaust smoke/poorly combusted fuel.
- Poor fuel - replace with good fuel and use a good fuel additive (Stanadyne Performance Formula or Ford PM-22-A or PM-23-A)
- Excessive idling
- Excessive fuel (note fuel pressure must be kept over 45 psig, to avoid injector damage). Check for DTC's, injector problems could cause excessive fuel flow.
- Engine oil: thickened engine oil and poor maintenance can delay commanded injector response, caused by wrong oil viscosity or excessive OCI.
- Engine oil: oil carryover to air inlet system caused by restricted air filter element pulling in oil from ccv, high crankcase pressure, or turbo oil leak.
- Excessive EGR flow. Correct with newer flash or check for bad EGR valve and correct.
- Delayed injection event caused by FICM wire chaffing, FICM calibration, or injector mechanical issues.
- The recent calibration flash will help reduce coking deposit formation by improving:
Shut off EGR after 5 minutes of idling. Reduces the amount of hard to combust elements in the combustion chamber.
Injection timing improvements at 1100-1800 RPM (Typical range for PTO operation/Cold Ambient Protection Idle Kicker/Battery Charge Protect Idle Kicker).
Increased exhaust pressure / VGT Duty Cycle for APCM or PTO commanded engine speeds. Maintains heat in the combustion chamber.
Higher engine temperature required for cold ambient idle kicker to switch off. Idle will remain elevated until driver input is observed by powertrain control module (PCM). Maintains heat in the combustion chamber.
Improved EGR throttle plate self test. Better control of hard to combust elements.
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Old 04-18-2010, 06:41 AM
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You need to tell us what year model and if he has any mods.

ALSO - Low system voltage can cause problems w/ the Fuel Injection Control Module and can cause poor combustion. Make sure your batteries are strong (load test individually).

What is your practice on fuel and oil filter changes? How long do you go and what filters do you use? What oil are you using? Is it in good shape (not thick and not a heavy fuel smell)?
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Old 04-18-2010, 10:04 AM
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Hey bkuuzz1, you need to give us much more detail such as year of truck, how many miles, any custom modifications, any special fluids added, etc. That is the only way we can help you. Otherwise we are all guessing and posting solutions that may not fit your problem.
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Old 04-18-2010, 12:14 PM
bkuuz1 bkuuz1 is online now
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Fellows thanks for the replies, Sorry I don't have the basic info that I knew you guys would need to help trouble shoot. All I know is it is a 6.0. I was asking the question to try and find out if that engine had a particular problem that would cause the issue with the EGR. Looks like it could be one of many. I'll let him know the issues you guys have posted and let him decide from her what he wants to do.

Thanks for all your help. It's time to go shoot some clays.

Thanks again.
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Old 04-18-2010, 12:14 PM
 
 
 
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