2G P1103 code.

[xXHigh BoostXx]

What would cause p1103? BCS is plugged in but im using mbc. Have a piece of vac line from top port to bottom port of BCS to block it off. Mbc holds@ 25~ Just fine so wastegate is working.

When the light came on I was not even under boost. This is the second time I got p1103 last time I checked everything out and cleared it. Its been a week or two and its back.

Searched and came up with mostly stock turbo owners hitting fuel cut but I dont have that issue.

 

[Boostedmm17]

Sounds like it's a bad bcs. Have you tried testing it or trying a different one?

 

[xXHigh BoostXx]

No. But as stated its not plumbed into the turbo so it sees no boost.
Will look into replacing it though.

 

[Boostedmm17]

Yeah what I'm saying is it could just not be sending any info back. Instead of 0 because it's not connected it could just be saying it's not there. Kinda like you took it off the car.

 

[xXHigh BoostXx]

Gotcha.

If anyone has a bcs laying around they want to get rid of cheap hit me up.

 

[Boostedmm17]