Can someone tell me if there is much involved in cleaning a mondeo egr valve , engine in question is liter duratorq TD!
Reason for asking this is at a recent mot the tester really reved the hell outta it , as tho he was really trying to lower the readings....btw was just under the limit.
I can see the valve at the back of the engine and it looks a pita to get at.
Should i leave alone as car is going very well....or investigate further?
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