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need help!antipollution
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chefboy1985

Posted: Sat May 03, 2014 12:21 pm

Joined: Apr 29, 2013
Posts: 34
Trade Rating: 0
Location: newcastle

Just fitted my manifold on to my 206 gti but the engine management light is on sayin anti-pollution fault is this a comment fault is so how to I fix it?

MrBSI

Posted: Sat May 03, 2014 12:29 pm

Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?

Need's scanning to see what fault codes are now stored. I take it there are no air leaks on the manifold, the lambda sensor isn't damaged & is plugged in?


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19Connor92

Posted: Sat May 03, 2014 1:03 pm

Joined: Apr 25, 2013
Posts: 118
Trade Rating: 0
Location: Southend-On-sea

exhaust or inlet manifold

chefboy1985

Posted: Sat May 03, 2014 1:14 pm

Joined: Apr 29, 2013
Posts: 34
Trade Rating: 0
Location: newcastle

Both lambdas are plugged in,but the cat is out? It's the exhaust mani I chsnged

19Connor92

Posted: Sat May 03, 2014 2:07 pm

Joined: Apr 25, 2013
Posts: 118
Trade Rating: 0
Location: Southend-On-sea

And you have decat? If not y is the cat out? anti pollution can be caused be lambda, bad fuel, cat, throttle body gasket can some times attribute to the fault code.

chefboy1985

Posted: Sat May 03, 2014 2:21 pm

Joined: Apr 29, 2013
Posts: 34
Trade Rating: 0
Location: newcastle

Yeh I decated it,and y not more power better flow?is it that that is causing it?

Addaz

Posted: Sat May 03, 2014 3:05 pm

Joined: Feb 07, 2010
Posts: 7093
Trade Rating: +11
Location: Suffolk

The second lambda sensor is there to detect the amount of oxygen present. And since its seeing naff all it will throw up the code P0420 catalytic convetor efficiency (ie your cats f****d is what is trying to say) You need a lambda sensor extender (found on ebay, i recommend the 90 degree ones) so it is removed from the main stream of exhaust gases and tells the ECU the cat is working fine


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19Connor92

Posted: Sat May 03, 2014 3:09 pm

Joined: Apr 25, 2013
Posts: 118
Trade Rating: 0
Location: Southend-On-sea

What he said.

chefboy1985

Posted: Sat May 03, 2014 3:49 pm

Joined: Apr 29, 2013
Posts: 34
Trade Rating: 0
Location: newcastle

That's great addaz thanks very much for your help,is it quite straight forward to fit?and do I need to have the code cleared once it's fitted?

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