 Tuning for fuel milage? |
 Dec 13 2006, 09:49 AM
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DSM Tech Wizard  Group: Members Posts: 2,256 Joined: 10-January 01 From: central IL Member No.: 10  |
Hypothetically, would it be possible to tune a car to get better milage than what it came with from the factory? Lower the boost, take out some fuel?
-------------------- The fastest car I own is a minivan....
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Dec 19 2006, 12:18 PM
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 Post Master Group: Members Posts: 908 Joined: 7-October 03 From: Chillicothe, IL Member No.: 182 |
QUOTE (Chicago_DSM @ Dec 18 2006, 12:55 PM) Oh interesting...No mine is the gauge type UEGO....My fuel adjustments are set to go lean, but my wideband always finds its way back to 14-15a/f...Whatever What would the logger show as far as fuel trims with a super lean a/f for cruising...Would that make the Mid/hi trims go to? 110-139? To make a super lean burn you would have to get both the O2 trim and high trim to max out. High maxes at 139 and I think O2 goes to either 159 or 169. After a while though it will think your O2 sensor is bad and make your milage worse. The whole thing really gets pretty complicated with a noneprom ecu. -------------------- GVR4 866/1000 = the perpetually broken car
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Posts in this topic
AWD DSM 1 Tuning for fuel milage? Dec 13 2006, 09:49 AM
awd4kicks This will be a good thread for NC Galant to respon... Dec 13 2006, 10:45 AM ncgalant QUOTE (AWD DSM 1 @ Dec 13 2006, 09:49 AM)Hypo... Dec 13 2006, 01:27 PM Kazz5 I'm afraid I don't have any real tech know... Dec 13 2006, 01:31 PM Kazz5 One other tip to add to ncgalant's short list:... Dec 13 2006, 01:32 PM Chicago_DSM I get horrible gas mileage...I have a pretty heavy... Dec 13 2006, 04:25 PM Mitsu 77 AEM recomends 15.9 or richer. I have set my 02 Fe... Dec 15 2006, 07:36 AM Mitsu 77 QUOTE (Chicago_DSM @ Dec 13 2006, 05:25 PM)I ... Dec 15 2006, 07:39 AM Chicago_DSM I had Devo Tuning install my wideband, since I did... Dec 15 2006, 07:31 PM Mitsu 77 The AEM UEGO has a 0-1V analog wire to mimic a nar... Dec 15 2006, 08:02 PM Chicago_DSM Oh interesting...No mine is the gauge type UEGO...... Dec 18 2006, 12:55 PM Mitsu 77 I couldn't tell you, the grater part of my tun... Dec 19 2006, 10:57 AM AWD DSM 1 All in all, it sounds like there's not much yo... Dec 19 2006, 12:21 PM NOMIEZVR4 Since we are on the topic of gas mileage, I may as... Dec 20 2006, 10:42 PM black92_tsi_awd Why do you want to increase the base FP if you don... Dec 21 2006, 07:15 AM NOMIEZVR4 The reason why I want to raise the pressure is bec... Dec 21 2006, 02:17 PM ncgalant QUOTE (NOMIEZVR4 @ Dec 21 2006, 02:17 PM)The ... Dec 21 2006, 04:12 PM NOMIEZVR4 Thanks for the advice! Im so excited it wont h... Dec 21 2006, 11:38 PM black92_tsi_awd I've found that all the modifications and tuni... Dec 22 2006, 08:26 AM AWD DSM 1 Shamou got a little less than 20 on her first tank... Dec 22 2006, 10:01 AM NOMIEZVR4 QUOTE (ncgalant @ Dec 21 2006, 10:12 PM)QUOTE... Dec 22 2006, 11:28 AM ncgalant After hacking the MAF properly your fuel trims sho... Dec 22 2006, 11:57 AM Kazz5 BTW, unexplained crappy fuel mileage can often be ... Dec 26 2006, 08:26 AM
SCCA Stang QUOTE (black92_tsi_awd @ Dec 22 2006, 08:26 A... Dec 26 2006, 08:52 AM |
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