2002 Mercury Sable Backpressure sensor

2002 MERCURY SABLE
90,000 MILES • 6 CYL • AWD • AUTOMATIC
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MICHELLE1972
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  • 1 POST
I need to know what causes a EGR backpressure valve sensor to overheat and melt the part where the hoses connect to , but did not harm the hoses or the sensor part?
Aug 27, 2010 at 1:20 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
There is nothing wrong except the quality of the part itself. The sensor is designed to read exhaust pressure and exhaust is hot. The hoses can handle it but some of the sensors deteriorate.
Aug 27, 2010 at 1:50 AM
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