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Emissons Failure


Posidrive

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Quite possibly a result of not being driven, or the test station not getting it hot enough. If it has sat for a few months, a decent drive will always help. Any advisories for a leak? They can affect the lambda result from pulling in air. It difficult to drive and get hot without an MOT in the first place though. Is it a standard system?

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Swap decats to HFC or stock cats. 

 

Check for faulty gaskets on the exhaust manifold or in the exhaust system. 

 

Try a bottle of cataclean or redex and red line the car a little. Blow the @*!# out the system and get the catalytic convertor back to good condition. 

 

Take a nice long drive and stick in the lowest gear possible before heading into the MOT station. 

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