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Expert: Chris - 7/6/2009


Question
The light on my 99 taurus is coming on  with codes po171 po172. I changed the maf sensor but still have the same problem. running rough intermittently with light back on.

Answer
hey there if i remember correctly these are codes indicating the engine is running lean. that  indicates that there is a vacuum leak some where, chack all major vacuum lines and connections, and thene check for a possible intake leak. let me know what happens. good luck
Chris

Ford Repair

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Chris

Expertise

I can answer most electrical questions, I specialize in powertrain diagnostics and repair. You can ask me any thing about any Ford or mazda vehicles(excluding diesel).

Experience

Dealership training- Canadian licensed technician with interprovincial standards.

Education/Credentials
Licensed technincian with interprovincial standard. Certified drive clean inspector and repair technician.

Awards and Honors
Honor student in 5 year appreticeship in automotive service technoligy

Past/Present Clients
Ford Mazda

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