Not sure how spraying something in the intake can affect/clean a valve on the exhaust side. Even if the valve was open when you sprayed it in;).

But hey if snake oil works at 5quid a can who am i to argue;).

What makes you think you have an need/issue?

J
 
engine lght comes on if i switch off and on 3 times without letting engine stoping it resets it but after a day or so it comes on again ive read the fault code to egr valve
 

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