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Ron
Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 36046
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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Location of mass airflow sensor on 1991 f250 5.

Resolved Question:

location of mass airflow sensor on 1991 f250 5.8l engine
Submitted: 9 years ago.
Category: Ford
Expert:  Ron replied 9 years ago.
HiCustomer

Thank you for asking your question on Just Answer.

The 1991 5.8 didnt use a Mass Air Flow sensor. It used a MAP (manifold absolute pressure) and a ATC (air charge temp sensor) sensor.
Customer: replied 9 years ago.
OK, so where are these located
Expert:  Ron replied 9 years ago.
Here is the scamatic for location of both.

graphic
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