Volkswagen Mark IV Forum banner
1 - 6 of 6 Posts

·
Registered
Joined
·
54 Posts
Discussion Starter · #1 ·
hi

my engine management light came on and its thrown up these codes p1297 and p0420 anybody else had these problems?

p1297 is pressure drop between turbo and throttle valve

p0420 is catalyst system bank 1 efficiency below threshold

wondering if these are linked together

thanks
 

·
Registered
Joined
·
54 Posts
Discussion Starter · #3 ·
thanks for your advice ive purchased a forge dump valve but light is still coming on i'm pretty sure i need a new cat sounds like its rattling about a bit.
 
1 - 6 of 6 Posts
Top