6.5 Turbo, Turbo issue question
I have a 98 with 6.5l turbo and I have noticed lately when I am on the interstate it feels like the turbo is being bypassed. At about 70mph the turbo will spool up real fast then die then sppol up and die this will happen 4-5 times in about 15-30 seconds. When I step on it just feels like the turbo is not there. I did check the wast gate and it is not stuck and moves freely. The vacuum pump is working at and idle at least and easily works the wastgate. Is the a map sensor that is acting up or at higher rpms does the vacuum pump start to fall off? Any advise guys?
Travis |
wastegate system on these trucks is pretty bad and unreliable. have you checked the wastegate solenoid?
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Yes I checked the vacuum solenoid on the turbo. It holds vacuum at any point along the stroke of the solenoid
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Get up with Heath and get a tubomaster. Everyone I've talked to has boasted about the improvement it's made on their turbo.
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A Turbomaster will help, but you'll also need a tune to run it.
Sometimes you can squirt WD40 into the wastegate solenoid and get them to work better. It is a sketchy system. If the turbo dies, there are better options. |
Originally Posted by Walking J
(Post 621122)
A Turbomaster will help, but you'll also need a tune to run it.
Sometimes you can squirt WD40 into the wastegate solenoid and get them to work better. It is a sketchy system. If the turbo dies, there are better options. what about the lines? |
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