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non starter critical malfunction 1?

how to cure critical malfunction 1 po1125 tc
Vauxhall vectra 2000 X 2litre dtl

dave
January 2008
dave, check all the small vacume pipes for leaks and good secure fits. there are quite a few!
if the waste gate is fine then it is an air leak!
hope this helps.
john

john
January 2008
Hi Dave, the manual shows for code P1125 turbo wastegate regulating valve-circuit malfunction, poss causes wiring, turbo wastegate regulating valve, so check the wiring to the wastegate valve if that looks good there should be a pulsed 5volts when engine accelerated if ok replace the wastegate but it should'nt stop the engine running!

nigel
January 2008
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