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Old 05-16-2019, 11:01 AM   #21 (permalink)
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Kristin's Impala FFV - '10 Chevy Impala LT
90 day: 26 mpg (US)

XFE Coupe - '09 Chevy Cobalt XFE
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90 day: 39.31 mpg (US)

Penny's Rogue - '15 Nissan Rogue SL AWD
90 day: 28.49 mpg (US)

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This tank of E15 the LTFT long trim fuel trim has been staying pretty normal most of the time (10) so indicated MPG is over 40. It and short term max (29/32) out once in a while and cause a rich misfire and sometime even raw gas in the exhaust. Started with replacing coils & plugs, then o2 sensor, swapped maf with other cars. New fuel injectors. I have a new MAP to install but don't think that will fix it but it was only $12. Only $250 worth of parts so far. Get lean PO171 code. Down to thinking it might be the ECM. It seems to be costing me about 4 mpg. Not sure I can justify $600 for a new one, $105 for an ebay one maybe, 261,000 miles and rust is taking it's toll.

Maybe I should just run E50 or so in it, the "normal" LTFT will be in the 20's so when it maxes out it still won't be that rich.



I'm thinking I might be getting another Elantra $13,000 can get a 2017 with under 30,000 miles. 2011 Rogue CVT is getting noisy might trade instead of fixing. 40+ mpg instead of 26. Convenient have 2 of the same cars for oil filter etc...

I think since the Hyundai fuel efficiency scandal they underrate some of their cars.

https://www.cars.com/vehicledetail/d...9252/overview/

Something like that.


Last edited by roosterk0031; 05-16-2019 at 11:31 AM..
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Old 05-17-2019, 03:57 AM   #22 (permalink)
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Quote:
Originally Posted by roosterk0031 View Post
...I might be getting another Elantra $13,000 can get a 2017 with under 30,000 miles..... since the Hyundai fuel efficiency scandal they underrate some of their cars.
We got our 2016 Elantra brand new with full 100,000 mile warrantee...... for under $13,000. Some people were getting new Elantras for $11,000 recently.
The so-called Elantra scandal was a bunch of talkin' head leadfooters who wouldn't work to get 30-40MPG. I knew it before we bought two Elantras, both which have gotten 45-46MPG. For the first year of the 2013 Elantra, using 87 octane 100% E0, I over-all averaged 39MPG (pencil & paper, not car computer).
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Old 05-17-2019, 12:11 PM   #23 (permalink)
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Kristin's Impala FFV - '10 Chevy Impala LT
90 day: 26 mpg (US)

XFE Coupe - '09 Chevy Cobalt XFE
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90 day: 39.31 mpg (US)

Penny's Rogue - '15 Nissan Rogue SL AWD
90 day: 28.49 mpg (US)

Cam's Rogue - '11 Nissan Rogue SV AWD
90 day: 26 mpg (US)

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I'd like to find that deal. $12,500 for a 17 with under 30,000 miles is the best I've found, one 17 Sonata for $13,500 with 28,000. The 17 I have I got from Hyundai dealer so was CPO getting the 10/100,000 warranty. Most aren't so just the remainder 5/60,000. I think 17 was the first year of the 2.0 with 12.5 compression Atkinson style valve timing.

About E50 in my XFE fuel trims still maxed out a couple times but not for long or long enough to throw a CEL, LTFT running 21-25. When it did max out it didn't cause the flooding rich misfire that causes chugging.

Just did a cars search for new and found some listed for $10,600 but 480 miles away. $14,900 if within 200 miles. A road trip to Oklahoma might be in order to save that much money. Wouldn't have even look at new without your tip. Thanks

Edit: bundles of stacked discounts from the OK dealer, that price isn't real.

Last edited by roosterk0031; 05-17-2019 at 03:22 PM..
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Old 05-17-2019, 04:09 PM   #24 (permalink)
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Quote:
Originally Posted by roosterk0031 View Post
...Just did a cars search for new and found some listed for $10,600 but 480 miles away. $14,900 if within 200 miles. A road trip to Oklahoma might be in order to save that much money. Wouldn't have even look at new without your tip. Thanks
Edit: bundles of stacked discounts from the OK dealer, that price isn't real.
Oh, good! You can go on a scenic drive. That's wonderful! Yes, dealers are dealers. They ain't goin' ta give no good deals, ifn they can squeeze ya for more loot. But now you have a low-ball price. Go after it. First, don't tell them you know the internet low price. Second, you can call one of the sales-people now & begin haggling on the phone? Tell them its the wrong color AND you have to drive so far(don't tell them how far). Third, don't talk with anyone, when you walk on the dealer lot at the end of the month with a paper, comparing other potential purchases. Have a pencil to add information, like serial numbers & identification codes. Papers, pencils & writing scare sales-people so they hand you off to a more experienced sales-person. Tell them, you can find a better deal with a competitor that is further away..... tell them you can get a great deal on a Toyota, which have better colors than Hyundai (true, Hyundai colors are NOT the best)! Is the deal on a manual tranny Elantra? If you don't buy it, it might sit on their lot for a long time. That's what I told them & they sold a bottom-low priced manual Elantra to me, as it was rolled off the semi, not even washed yet.

Last edited by litesong; 05-17-2019 at 04:38 PM..
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Old 06-17-2019, 09:28 PM   #25 (permalink)
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Kristin's Impala FFV - '10 Chevy Impala LT
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Well a few weeks ago I heard a squealing noise, rolled down the crank windows and it was mine. Got to work still making it. It was some solenoid on the top of the engine, learned later evap solenoid valve, it was cycling not stop. Moved car under canopy in the shade where I normally park, go back out see puddle under car. Fuel line leak. After 2 tries that's done. Talked to nephew a Toyota mechanic Sunday he said try to unplug that valve. LFTF 15ish most of way to work, ST + or - 2. I didn't think enough air could be sucked thru a 3/8 od tube to affect it that much but was wrong. 39 mpg indicated on drive to work with E30ish blend. Filled with E10 45 mpg when I got home. Getting PO443 emission CEL not but no lean code. Fuel and evap lines really rusty not going to replace evap lines.
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Old 06-17-2019, 11:12 PM   #26 (permalink)
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Bought some a week ago after googling for ethanol free gas and found a site with this station last updated in 2018. Had it in the middle mosts pumps with a red handle and separate button. Annnnd it was $.50/gal more.

Bought it for kicks.
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Old 06-18-2019, 10:01 AM   #27 (permalink)
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Kristin's Impala FFV - '10 Chevy Impala LT
90 day: 26 mpg (US)

XFE Coupe - '09 Chevy Cobalt XFE
Team Chevy
90 day: 39.31 mpg (US)

Penny's Rogue - '15 Nissan Rogue SL AWD
90 day: 28.49 mpg (US)

Cam's Rogue - '11 Nissan Rogue SV AWD
90 day: 26 mpg (US)

Elantra - '17 Hyundia Elantra SE
Team Hyundai
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I'm going to try E0 again next tank since I have quite a few fresh parts on my 263,000 mile car to go for an honest best tank ever. I think I need just over 47, but that that was part of a 45 mpg 3-tank on E0 so maybe a little filling error.

My current tank is 122 miles in with 44.7 indicated on E10. My 55+ mpg tanks were due to a faulty gas pump.

I don't see Insights too often but one this morning.
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Old 06-25-2019, 11:52 AM   #28 (permalink)
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I've only burnt clear Premium in the SUPERBeetle since I got it. It is equivalent to the 1971 Regular the car was designed for.

One thing I found in research but haven't tested is that if you try to buy clear Premium on the coast, they make you carry a gas can out to the end of a pier.
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Old 06-25-2019, 12:20 PM   #29 (permalink)
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Kristin's Impala FFV - '10 Chevy Impala LT
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90 day: 39.31 mpg (US)

Penny's Rogue - '15 Nissan Rogue SL AWD
90 day: 28.49 mpg (US)

Cam's Rogue - '11 Nissan Rogue SV AWD
90 day: 26 mpg (US)

Elantra - '17 Hyundia Elantra SE
Team Hyundai
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Filled the 2010 Cobalt with 87 E0, only station I know of that has it at E0-87 and only $0.20 more than E10-87. Going to try to get a personal best with that car.


XFE is down waiting on some new fuel line & fittings to replace the attempted fix with a rubber hose that held for a few days.
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Old 11-06-2019, 08:06 PM   #30 (permalink)
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Good News

Murphy USA is constructing (building currently) a brand new fueling station on location way close to where I am located....The promise is that it will have ethanol free fuel there. amen. … BTW there are now several ethanol free threads out there

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