Re: M A F, poor gas mileage

Posted by Hobo,NC on February 02, 2017 at 16:12:49 from (75.136.231.157):

In Reply to: M A F, poor gas mileage posted by Geo-TH,In on February 02, 2017 at 06:50:34:

I dread those set ups its a dang fight and noting never lines up :evil:

http://www.aa1car.com/library/what_is_fuel_trim.htm

http://www.aa1car.com/library/poor_fuel_economy.htm

http://www.aa1car.com/library/maf_sensors.htm

They are only new the day you drive it off the lot its all down hill from there. I will say those are about as a free rolling car as I have ever driven. I had folks complain in the 90's when they got there act together on torque converter lock up they don't slow down when you let up on the throttle. That's one reason they get good fuel mileage on a long trip they are very efficient in lock up.

One of my jokes with a customer that told me to drive his mid 90's olds/buick (don't remember but one are the other) for a few weeks any were I wanted to go. I drove it on a 200 mile trip one way when he showed up he asked how did it do did I find out why it would not slow down when you let off the throttle . I told him once I got on I95 I ran it up to 75 let off the throttle and it coasted for the next 150 miles I did not see a problem.

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