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2005 lly ccsb 3" downpipe 4" straight pipe kryptonite tie rod sleeves
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Discussion Starter · #1 ·
I have a p0299 which is a low boost code I believe and p0401 and p0404 which are egr codes. The p0299 throws the pickup in limp mode or reduced engine power mode and I don't know what's wrong with it I've checked everything I know to. Also the turbo flutters alot if I boost it up against the brakes then let off or any other high boost situation. Any ideas?
 

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I have a p0299 which is a low boost code I believe and p0401 and p0404 which are egr codes. The p0299 throws the pickup in limp mode or reduced engine power mode and I don't know what's wrong with it I've checked everything I know to. Also the turbo flutters alot if I boost it up against the brakes then let off or any other high boost situation. Any ideas?
When I had this problem with mine, it was intermittent and ended up being the egr valve sticking open. It was accompanied by severe loss of power and lots of black smoke. I also had code for MAF. Cure was to replace egr valve. The problem occurred at about 260,000 miles.
 

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2005 lly ccsb 3" downpipe 4" straight pipe kryptonite tie rod sleeves
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Discussion Starter · #3 ·
Ok I have no smoke and 156k do you think that could be my issue?
 

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2005 lly ccsb 3" downpipe 4" straight pipe kryptonite tie rod sleeves
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Discussion Starter · #5 ·
Ok thanks for the reply
 

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