Mustang neutral coasting? (in Ford Mustang V6 automatic) - Page 2 - Fuel Economy, Hypermiling, EcoModding News and Forum

99metro · 01-15-2009, 02:35 PM

When it says it can't be flat-towed in neutral above 35mph, means you can't EOC. You shouldn't EOC in an automatic anyway. BUT, you can neutral coast with the engine running in an automatic. When shifting back to Drive, wait a second or two then apply gentle throttle. It should be pretty bumpless.

96 and above was OBDII on most vehicles, and even some of those didn't fully implement OBDII. Looks like your 94 Mustang can do Scangauge. Some of the nicer (read: expensive) vehicles were always a little ahead of the masses.

One of my Broncos has an AOD, but not AODe. Neutral coast in that often. My Bronco C6 and F250 Diesel E4OD neutral coasts just fine. Engine running in all 3, of course.

JRK5150 · 01-15-2009, 03:25 PM

Ok, so engine off coasting is a no no with my car, but engine on coasting sounds possible. I think I'll try it first at slow speeds and work my way up just in case. Gascort, my v6 seems to be getting about the same mpg as your v8!

I was also concerned that the scanguage II wouldn't work with my '94, but I checked the list of compatible vehicles on the scanguage site and the '94 mustang v6 is listed. I haven't really done anything yet and I'm already having fun! Impossible sounding fuel mileage, here I come!

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Spac3dog · 01-15-2009, 05:16 PM

I have done a few engine on coastings of a mile or less in my 94 Mustang so far and have not had any problems. Granted I have only done it about 5-6 times so not a lot of data to take information from but its something. What kind of mileage are you currently getting and what have you done so far?

JRK5150 · 01-17-2009, 03:00 PM

So far I estimate I'm getting around 20mpg. I have yet to do any mods, but have been trying different driving techniques to find out what works for me. What seems to work for you Spac3dog? What mods have you done?

Spac3dog · 01-18-2009, 02:22 AM

Only thing I have done so far is up the pressure in my tires to 45 psi and work on my driving style. Taking off slow from a stop ,trying to keep the RPM's down as much as possible and cleaning all the excess stuff out from the car is all I've done so far. And to add in I just got back from a 326.3 mile trip where I stayed between 65 and 75 mph depending on the semi truck in front of me and shattered my old record mpg. When I filled up I got 30.725 mpg and I still had 5 gallons left in the tank which would have got me 460 miles out of one tank had I kept going at that rate. I'm looking into getting/making some smooth covers for my rims and making a upper and lower grill block soon for my first mods. Oh and I still have an O2 sensor throwing a code so I'm sure that's not helping things any.

jjackstone · 01-19-2009, 07:53 PM

JRK5150,
I've been doing neutral engine on coasting in my 2003 Taurus for a couple years with no noticeable problems as of yet. I use the same method as 99METRO. When shifting back into drive while coasting, wait a couple of seconds for the tranny to get back to the right speed then go light on the throttle. I have pushed the coasting speed a bit higher and have had no problems with neutral coasting at 45mph. I'm probably asking for trouble but so far so good. I'd only suggest coasting at this speed if you're comfortable with the possibility of blowing your tranny. JJ

JRK5150 · 02-14-2009, 11:01 PM

Ok, I've tried neutral coasting a couple of times recently. Mostly to red lights, always at a fairly slow speed. So far so good! =) I haven't done it enough to see any mpg increase, but everything seems just fine mechanically. I think I'll incorporate more neutral coasting into my driving style and see if I notice better mileage over a period of time.

RH77 · 02-15-2009, 12:25 AM

Quote:

Originally Posted by JRK5150

Ok, I've tried neutral coasting a couple of times recently. Mostly to red lights, always at a fairly slow speed. So far so good! =) I haven't done it enough to see any mpg increase, but everything seems just fine mechanically. I think I'll incorporate more neutral coasting into my driving style and see if I notice better mileage over a period of time.

If you need to brake, try dropping it a gear (rev-match if you can) and you'll end-up with a lot less on the fuel consumption (DFCO). Let the compression do the work...

RH77