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Solved] P1556 charge pressure negative deviation & limp mode | VW TDI forum, Audi, Porsche, and Chevy Cruze Diesel forum
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Limp mode? Glow plug errors with scan codes | VW TDI forum, Audi, Porsche, and Chevy Cruze Diesel forum
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![2005 1.9 tdi. When engine hits operating temp. the turbo quits spooling up. Code shows overboost problems. I took off 2005 1.9 tdi. When engine hits operating temp. the turbo quits spooling up. Code shows overboost problems. I took off](https://f01.justanswer.com/ref/http_www.audiworld.com/tech/pics/eng87_011.jpg)
2005 1.9 tdi. When engine hits operating temp. the turbo quits spooling up. Code shows overboost problems. I took off
![Limp mode? Glow plug errors with scan codes | VW TDI forum, Audi, Porsche, and Chevy Cruze Diesel forum Limp mode? Glow plug errors with scan codes | VW TDI forum, Audi, Porsche, and Chevy Cruze Diesel forum](http://i.imgur.com/YxtUSh.jpg)