subg Posted January 2, 2006 Share Posted January 2, 2006 hi this prob just started and not sure what it would be i went on a long drive and on the way i noticed every now and then the boost would cut off and then the check engine light comes on if i keep the acclerator down i have checks the pipes and there seems to be no leaks could it be the computer coz i can turn off engine then start it again and its sweet for a while then cuts off again any help would be good Link to comment Share on other sites More sharing options...
Dr. RX Posted January 2, 2006 Share Posted January 2, 2006 If there are no leaks in the exhaust running up to the turbos, then check for a clogged cat convertor, that will cause excess back pressure on the turbos' impeller blades causing them to slow down from the resistance, this will cause a reduction in boost. If you live in an area that does not require emissions checks, you may want to either guts the cats, of get a catless down pipe. Link to comment Share on other sites More sharing options...
Legacy777 Posted January 3, 2006 Share Posted January 3, 2006 Pull the codes from the engine. More then likely that will give you a clue as to what the problem is. Link to comment Share on other sites More sharing options...
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