1991 MERCEDES BENZ 300E
110,000 MILES
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can a bad e g r valve cause overheating
Oct 27, 2012 at 1:45 AM
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RASMATAZ
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Yes, it could if the EGR valve is not opening it will increase the combustion chamber temperature and also the oxides of nitrogen-

Have you check the coolant level and thermostat-start here
Oct 27, 2012 at 1:53 AM
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