2003 FORD E-SERIES VAN
35,000 MILES
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Engine has 2 Oxygen sensors, one on the right exhaust and one on the left exhaust, which is the upper and which is the lower O2 sensor?
Feb 13, 2013 at 4:09 AM
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HMAC300
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they have 4 not 2 2 are pre adn 2 are postfront and rear of converters bank1 is left side bank 2 right
Feb 13, 2013 at 3:16 PM