Did N249 bypass and car ran like poop.

[talentwalsh]

Howdy y'all

As the title says I did the bypass yesterday while installing all my new shiny silicone vac hoses, as i had some tubing left over, and the car ran like a bag of ferrits in a tubmle dryer. Any reason for this, does the ecu need time to learn the new system? I put the OE stuff back on again and it ran fine again. Its an AMK so it should be a direct hose from the DV to the inlet?

 

[Dani_B19]

How did you do the bypass? I.e. did you remove all the hoses to the n249? Did you leave the n249 valve connected or not?

 

[talentwalsh]

Yep, removed all of the hosing connecting to it and left it plugged in. I used 5mm hose, maybe it was a bit loose?

 

[Dani_B19]

5mm is way too big, 3mm max id say, did you secure all the vac hoses?

 

[Speedy Steve]

Did you keep the N249 plugged in but tucked away?

 

[talentwalsh]

Ya, kept the N249 plugged in. No I didnt secure it as I didnt have any jubilees small enough, felt a pretty snug fit though, even when removing it felt fairly tight, but id say that was the problem though. Thanks for that.

 

[Prawn]

This isn't meant to sound rude, but you must have done it wrong. What did you do with the feed to the n112? Did you put a check valve in line to it?

 

[talentwalsh]

This isn't meant to sound rude, but you must have done it wrong. What did you do with the feed to the n112? Did you put a check valve in line to it?

Its an AMK, doesnt have an N112, its direct to the mani.

 

[jdas03]

Yer AMK is straight from DV to Mani, i have AMK engine and i didnt notice much difference except it was far smoother at low speeds, definetly didnt make it worse thought :-S

 

[Welly]

Yeah, I would say this is the first reported problem with this mod... See what happens when you have slightly tighter hosing. :thumbsup: