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ECT & EOT delta, turbocharger issues while covered by Ford ESP*
First post to the forum. *I must start out by thanking everyone who has posted here as I learned so much here before purchasing an '05 Excursion.
I did tons of research in the forums and knew the possible weakness' going in. *I spent several months looking for the best possible truck
I found one in Homestead Florida that came into a Chevy dealership in exchange for a Cadillac. *It has 73k on the clock, garage kept, babied, engine bay looked like it just came off the showroom floor. *The tow hitch was not even scratched! *It had the original sticker, covers on everything including the dash and had a service plan using full synthetic it's whole life. *Oasis was clean.
I found out that it was a one owner truck originally sold at the Ford dealership next door.
I purchased the Excursion and drove it to the original dealership that sold her new.
The service manager recognized the truck when I pulled in and told me it had had an extended service plan with them. Fuel and oil filters changed every 3k and everything else done when it should.
I told them to do a full inspection. *All checked out. *2 different employees offered to buy it off me while I waited. I got the service history and that had no dramas or warnings on it.
I took the advice of many on this forum. Installed an Insight CTS.
I also purchased the Ford ESP premiumcare 3/36000
So. *Last night was my first good run in the truck with the Insight. *I did the ECT- EOT test on flat road at 65 mph. After 25 minutes, the results were;
EOT 217 for a delta of 29!
I did a second run this morning and had the following result;
EOT 221 for the same delta of 29!
An inspection of the coolant degas bottle revealed a little white residue splashed on the outside, coolant looked clean, needed 1/2 pint water but could have been that low already. *Engine oil was clean and at the correct level.
I removed the EGR valve. *It was chocked with carbon which I cleaned off and re installed. *There is no sign of dampness inside the valve body.
This may be another issue entirely. *The turbo has a "whine" that I had not heard on any of the other Excursions I test drove. *The whine was most pronounced when I let off the throttle. *The boost on the first test was 5psi @65 mph. Max I saw was 11 psi on hard acceleration.
From what I have read. *I believe I have a clogged oil cooler and I believe I have caught it before the EGR cooler fails? *Does the forum concur?
Is anything up with the turbo?
Is the thermostat on cooling circuit opening too low?
Most importantly. *What should my strategy be with my local dealership (not the original dealership)? *
How do I find out if the diesel tech and the service rep know what they are doing and are familiar with the 6.0's "issues" (Marone Ford Fort Lauderdale)? *They have a large truck and commercial department. *I don't know about how many diesels they deal with though.
I am guessing that they are going to insist that I keep running Ford gold coolant while I have the warranty?
Will they install the newer OEM oil cooler and is it ANY better than the original?
What else can I get them to do under warranty while they are under the hood? *Blue spring? STC fitting?
Are there any concerns with the turbo? *I gave the truck 2 hard runs this afternoon and I saw boost pressures in the high 20's psi.
This forums help will be greatly appreciated.