1.2 tsi crank no start - injector group supply voltage both low and high

#1.2

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1 hour ago1 hr

Hi all,
a few days ago my 2012 octavia 1.2 tsi didnt start anymore, crank but no start.

after connecting an obd scanner i got the following codes:

P0149 - fuel timing error

P2147 - fuel injector group A supply voltage low

P2148 - fuel injector group A supply voltage high

P2150 - fuel injector group B supply voltage low
P2151 - fuel injector group B supply voltage high

does anyone know what this means? weird seeing both voltage are low and high

thanks in advance

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