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Old 06-26-2008, 07:57 PM
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Join Date: May 2008
Location: Mcdonald, Ohio
Posts: 17
Quote:
Originally Posted by hvyw8 View Post
This morning I am going to get on the freeway and I start to climb the overpass to make the loop around and I notice that the truck is REALLY sluggish. I get on to the freeway and start moving along when I notice that I have no power. (truck is back to stock from DJ's xtreme street from late last night) As I am in the slow lane on the freeway I notice that I cannot get about 55 mph. I also see that my boost is no more that 10 psi. When I try to floor it the boost actually drops to about 5. (boost guage tied into map sensor) Still in the fast land at about 55 and a Utard minivan riding the HVYW8 big time.

Then all of the sudden the boost kicks in and I have no issues and I am moving along nicely at 70 mph. Then the same boost problem again. Then the boost kicks in and no problem. So I am pushing the pedal to the floor repeatedly to see if I can hear the turbo and I can but then the same thing would happen again. Yesterday the truck was running like a champ with the custom tune and now I am bewildered.

I am planning to leave tonight or tomorrow for a 4 hour trip to pick up a 26 ft camper trailer from Utah to Star Valley, WY. So my 3 questions are; What is making the turbo do this? Should I curtail my towing trip until I have this worked out? If I put the tune back on would it solve the problem.
This happened to me. My truck is still under warranty form 05. They told me they would clean the turbo. I took it in and they told me it was so stiff they had to put on a new one. Your warranty should be 5 yrs or 100,000. They will check it out and clean it or replace the trubocharger or the relay might just be bad. Hope you can use your warranty. If not the new turbo is $2600. It still just might need cleaned and lubricated with never seize. The dealers do this if you still have warranty.

Hope this helps

Cheers

Kevin
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