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What is causing my mil light to come on dtcs p0171 - p0173
1999 Ford Windstar

What is causing my mil light to come on dtcs p0171 - p0173

(1999 Ford Windstar)
1 answer & 0 comments
Popular Answer
on January 06, 2015
Usually a P0171 & P0173 (sure it's not a P0174) is a sign the Mass Air Flow Sensor is not reading engine air intake. You can start by removing the sensor and cleaning it.
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General Diagnosis
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on January 06, 2015
Usually a P0171 & P0173 (sure it's not a P0174) is a sign the Mass Air Flow Sensor is not reading engine air intake. You can start by removing the sensor and cleaning it.
Sign in to reply

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