vectra 2.0ltr sri duel fuel estate

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Joined:Tue Aug 02, 2011 7:47 pm
LPG System:koltec egi
Car:vauxhall vectra 2.0l
vectra 2.0ltr sri duel fuel estate

Post by daveylitz » Tue Aug 16, 2011 6:32 pm

i have a 2000 plate vectra, 2.0 ltr sri 140 duel fuel estate
factory fitted necam koltec system.
start car on petrol, runs fine, no eml light.
switch to gas switches over ok, but then eml comes on and states P0201.
i changed the injector, checked the harness with a noid light and it showed pulses.
i'm now stuck and unsure why this only happens when i switch to lpg.
Can anyone please help me?

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