EGR valve hissing
06-14-2016, 05:39 PM
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C230 COUPE 2003 M271
EGR valve hissing
As the title states I can hear a hissing sound from the valve; at idle obviously. Is there a way to test the EGR? one that the common person can do.
Car is throwing code for P0170 fuel trim malfunction. It is dumping too much extra fuel in and it has reached its limit. my mpg sucks.
Car is throwing code for P0170 fuel trim malfunction. It is dumping too much extra fuel in and it has reached its limit. my mpg sucks.
