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To add to the question, which years and engines of Aerostar are MAF vs. Speed Density and then is Speed Density as much in need of cleaning? Wife has '92 3.0 Aerostar. Thanks.
INLINE SIX POWER! '95 F150 XL
300 Cubic Inches of Low RPM Truck Torque! And twin-I-beams too!
"Drive a stick young man! There'll be time for automatics when you're old and unable."
Hey Tom, I just saw a person who works for a Ford Dealer recommend a cleaner for the MAF at this thread:
https://www.ford-trucks.com/dcforum/DCForumID94/850.html
see reply #2