Oh yes forgot to say when you start the car cold the air pump works fine comes on and pulls a good amount of air thru the air pump inlet,also when I get the code it comes up twice,the scanner says code 1 of 2 and they are both P0410 weird?

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88 W124 3.0
96 R129 119eng
06 ML350
98 ML320 sold
02 CLK55 amg