Resetting Computer and Adaptive "memory" - Ford F150 Forum

theduke308 · 11-30-2011, 05:17 PM

How long should I leave the battery disconnected to reset the Computer and clear its adaptive memory?

**kozal01** · 11-30-2011, 05:17 PM

Disconnect the battery and turn the headlights on and that will clear the memory.

theduke308 · 11-30-2011, 05:26 PM

any time frame involved in that?

**kozal01** · 11-30-2011, 05:40 PM

Quote:

Originally Posted by theduke308

any time frame involved in that?

None that I am aware of. I've heard some say 20 minutes, some an hour but discharging the computer memory by turning on the headlights should take care of it right away. It's always worked for me.

theduke308 · 11-30-2011, 05:44 PM

Cool, I will give it a try, thanks!

eej711 · 11-30-2011, 05:46 PM

Just curious, why would one need to reset it?

theduke308 · 11-30-2011, 05:52 PM

I had a period of running with a bad COP and old plugs. I am trying to reset my fuel economy and shift points based on the new parts I installed (plugs, COPS, etc) Now that the truck is running good just with very low MPG,s that I am assuming it learned bases on running poorly with the missing COPs and old spark plugs

M&D · 11-30-2011, 06:03 PM

Ive done this many times on many diff vehicles. 10 minutes unplugged doing nothing else has never failed to do the trick.

jbhill · 11-30-2011, 06:56 PM

hmm didnt know about turning on the headlights. i know a trick for disabling the srs you touch the + and - terminals together to "discharge" it after disconnection.