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post #1 of 4 Old 06-02-2007, 05:27 PM Thread Starter
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turbo boost problem

I was towing a 7000lb boat, when I got on the highway I punched it, the turbo psi went up to 35 and the transmission light came on at the same time. The tranny temp did not move but, the turbo acted funny the rest of the trip. I was going up a hill doing about 70mph and the turbo just shut down and came back when i took my foot out of it. This problem hasn't accured again. I brought the truck to a local shop to see why the transmission light was on and I was told it was because the turbo actually got too much boost. Now whenever I stomp on the throttle I get a vibration which I think has to do with the turbo. Does anybody have any idea what I should do about this problem?
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post #2 of 4 Old 06-02-2007, 07:18 PM
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transmission light? give us the details on your truck. year? miles? mods? past issues? Sound like you could have an issue with your turbo over or under boosting possibly but you're gonna need the code that the dealer pulled from the pcm to help pinpoint the issue.

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post #3 of 4 Old 06-02-2007, 07:28 PM
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if you dont build enough boost..your truck wont shift out of overdrive...so the problems could be related....

could be a trans problem...also could be a carboned up turbo (needs cleanded...) or a combination of both...but since we have seen very few problems with the torqshift...id say the turbo is at least your most likely culperite...
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post #4 of 4 Old 06-03-2007, 06:13 AM Thread Starter
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The truck is an 05 cc 4x4. I purchased the truck from the dealer with 54,000 on it and it now has 60,000. Everything is stock on the truck that I know of. Whoever had it before me may have had a chip in it but, I don't know how to tell if it actually had one.
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