QPV - What does this pipe do?

makeshiftUK

makeshiftUK

Member
Messages
1,090
Whilst fixing my bonnet catch woes, I noticed a pipe wasn't connected to the air intake assembly... suffice to say I plugged it back in, I guess it's some sort of breather pipe? I can't say I noticed any difference in the car running without it being connected...

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A.S. Motorsport

A.S. Motorsport

Member
Messages
198
breather, they're often loose, just replace the factory hose clamp with a good quality screw type.
Don't drive with it disconnected as that's now letting unmetered air bypassing your MAF sensor (lean mixture)
 
M

MC_Bob

Member
Messages
133
A.S. Motorsport said:
breather, they're often loose, just replace the factory hose clamp with a good quality screw type.
Don't drive with it disconnected as that's now letting unmetered air bypassing your MAF sensor (lean mixture)
Click to expand...
It's premaf so wouldn't effect running. Just will end up being smelly from the breather and poss evap fault as no suctjon.
 
Oneball

Oneball

Member
Messages
11,107
MC_Bob said:
It's premaf so wouldn't effect running. Just will end up being smelly from the breather and poss evap fault as no suctjon.
Click to expand...

Its after the MAF. The silver part is the throttle body. The MAF is the bit with the wires in front of the bellows that fits in the air filter housing.
 
M

MC_Bob

Member
Messages
133
Oneball said:
Its after the MAF. The silver part is the throttle body. The MAF is the bit with the wires in front of the bellows that fits in the air filter housing.
Click to expand...
The pipe detached is before the maf. On the left side. Air cleaner side of the Maf.......
 
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