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-   -   Resetting the evic (http://www.ramforumz.com/showthread.php?t=87028)

garner 07-13-2011 03:30 PM

Resetting the evic
 
This afternoon my average mpg on the evic went from 15.0 to 14.4 in less than half a mile(no I didn't reset it). Seems like this has to be an error in the system, is there a way to reset it? I heard about disconnecting the battery, but don't remember which cable to unhook and for how long. Do you guys think disconnecting the battery would fix this?

Upstater 07-13-2011 04:22 PM

Quote:

Originally Posted by garner (Post 567641)
This afternoon my average mpg on the evic went from 15.0 to 14.4 in less than half a mile(no I didn't reset it). Seems like this has to be an error in the system, is there a way to reset it? I heard about disconnecting the battery, but don't remember which cable to unhook and for how long. Do you guys think disconnecting the battery would fix this?

I have a 2010 but I would imagine that they might be very similar. The mileage displays are a projection based on driving habits, so don't get too concerned. For example, when i start my truck on a cold morning I can watch the mileage counter click down almost like clockwork when the truck is idling; this doesn't happen once it warmed up, and after driving for a few miles it quickly recovers.

As far as resetting, on the '10's it's a simple as pushing the "right" button on the steering wheel.

garner 07-13-2011 04:25 PM

Quote:

Originally Posted by Upstater (Post 567662)
I have a 2010 but I would imagine that they might be very similar. The mileage displays are a projection based on driving habits, so don't get too concerned. For example, when i start my truck on a cold morning I can watch the mileage counter click down almost like clockwork when the truck is idling; this doesn't happen once it warmed up, and after driving for a few miles it quickly recovers.

As far as resetting, on the '10's it's a simple as pushing the "right" button on the steering wheel.

I've never seen mine drop this quick so it's worrying me. And yeah I know how to reset the avg mpg, done that when I didn't want to a couple of times lol. Just wondering if there was a way to like reset the whole evic so that the "glitch" will be fixed

snrusnak 07-13-2011 05:00 PM

The less miles you have driven since you reset the mileage it will be more sensitive to change. For example: right after filling up and resetting, if I sit in traffic for 1 mile, I basically get 0 mpg, if I jump on the highway right away I get basically like 0 mpg on the on ramp then after a mile or two of cruising its back above ten and increasing .1 every second... You can disconnect neg battery cable for 30 min this resets everything in the truck basically.

garner 07-13-2011 05:04 PM

I haven't hit the reset button for about 2 weeks. And I'll go disconnect the neg battery cable and see if that helps

LeKy411 07-13-2011 06:03 PM

Quote:

Originally Posted by garner (Post 567695)
I haven't hit the reset button for about 2 weeks. And I'll go disconnect the neg battery cable and see if that helps

I think you are too concerned, it varies on your driving habits. Mine went from 14.5 to about 12.9 in 30 miles worth of driving. The reason being that I wasn't doing my regular commute, but stopping at stores doing a lot of on and off plus constant traffic because most intersections lost power around here.

EVIC is just a little estimator that worries people, mine will hit zero and yet I still have enough gas to go an extra 30 miles. Best method is to hand calculate it. Any abnormal driving habits and your EVIC compensates for it. Mine changes when I run the A/C.

LeKy411 07-13-2011 06:04 PM

Quote:

Originally Posted by garner (Post 567641)
This afternoon my average mpg on the evic went from 15.0 to 14.4 in less than half a mile(no I didn't reset it). Seems like this has to be an error in the system, is there a way to reset it? I heard about disconnecting the battery, but don't remember which cable to unhook and for how long. Do you guys think disconnecting the battery would fix this?

If you really want, disconnect the negative battery terminal for 30 minutes. That should clear it fairly well and then it will show 15.5 (default after reset) before it adjusts so you will probably still be confused as to why its dropping.

garner 07-13-2011 09:21 PM

I know the evic changes but mine has never changed by .6 mpg in less than half a mile. Only time it changes rapidly is after reset or when I'm going 106 and hitting speed limiter. Neither of which I did in this less than half a mile. I put the neg cable back on and now it's reading 16 mpg

cyberpine 09-26-2011 12:08 PM

I drive about 12 miles to work like 60% city and 40 slow high way.. I sometimes reset my evic as I'm leaving to see what th average MPG might. My averages can vary alot and has been getting better.. but still not where I would hope. Usually around 12.5mpg

I've seen it drop from 13.5 to 12.5 just driving up 7 floors of parking garage at the end of the trip.

And on the subject.. I'm just hitting 10k miles and just had my 3rd oil change. On some other forum I read that I should reset something .. maybe my idle for better readings or mpgs .. by holding down the trip button and then turn the key to the right on notch while parked When I did the dash RPM or speedometer (maybe both), it then does some kind of clock motion to let you its processed your request. Before doing this last night I also reset my EVIC to 0.. then got a got a phone call and forgot about it. Later that night took a very aggressive drive accross town without looking at the EVIC. This morning as I left for work, it was raining hard and traffic was a mess.. I looked at my EVIC and it read 16mpg avg??? kinda confused by this ..and it did not seem to move, so I reset it to 0.. expecting a really bad avg today as traffic was terrible.. but I got 15mpg when I usually get around 12.5. I may just be breaking in still. I thought I was going to get 18mpg, but my mpg dropped a fulll 3 mpg in stop and go traffic in the last 4 miles.

I might be obsessing over this .. but if I could get this truck to do 17mpg avg it would be awsome given it's size, weight and hp.

JasonK94Z 09-26-2011 12:18 PM

I no longer watch that display for mpg. I keep it on the trans temp as another temp gauge to watch for good measure.


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