Possible Air Leak?

[Mr Roboto]

Hi

Could a air leak trigger off these codes below the top one?

Last thing I had done was the intake manifold taken off and polished.

I am getting a engine smoke test done soon off a member off here.



17705/P1297/004759 - Pressure Drop between Turbo and Throttle Valve (check D.V.!)

16490/P0106/000262 - Manifold / Barometric Pressure Sensor (G71) / (F96): Implausible Signal

16622/P0238/000568 - Manifold Pressure/Boost Sensor (G31): Signal too High

17608/P1200/004608 - Boost Pressure Control Valve (N249): Mechanical Malfunction

17545/P1137/004407 - Fuel Trim: Bank 1 (Add): System too Rich

 

[towcester vag]

pressure drop clean and reset throttle valve
did you replace the breather hose from inlet manifold to the adaptor on front of block?

 

[Mr Roboto]

No I didnt

Reading what some one PM me I think it is a air leak.

Last mods where intake manifold taken off and polished (maybe it wasnt fitted back properly?)

Forge FMIC maybe hose clip is lose or stone damage on the FMIC it's self?

 

[Ronin225]

17705 is boost leak.
Are both of the nipples underneath on LHS both piped back to FPR and N249/DV?

 

[Mr Roboto]

Are both of the nipples underneath on LHS both piped back to FPR and N249/DV?

Sorry mate I don't know what you mean?

 

[Ronin225]

As you look down on the manifold from the front of the car underneath the left hand side (LHS) are 2 nipples.
Each has 4mm pipe, with one going to your fuel pressure regulator (FPR) and one going to your N249 (or DV if its bypassed)

 

[Mr Roboto]

Thank you

Will check it out.