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Chevy HHR Network
Specific Technical Discussion
Fuel Economy - Hypermiling
Fuel Economy - Hypermiling
Dedicated to discussions on fuel economy improvements and related modifications.
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Fuel Economy - Hypermiling
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Crappy gas mileage in town / Incredible Highway
(
1
2
3
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3amigos
on 11-29-2008
11-09-2023
07:44 AM
by
Oldblue
22
7,070
I don't think e85 is worth it
(
1
2
3
)
hhrumadbruh
on 05-18-2022
06-21-2023
10:01 AM
by
donbrew
28
3,419
2009 flex fuel question
Bonez
on 05-21-2022
05-22-2022
06:02 PM
by
Oldblue
9
2,090
Oxygen Sensors Help
(
1
2
)
My1stHHR
on 05-03-2022
05-03-2022
10:18 PM
by
greg8453
12
2,790
Fuel range change decrease /increase
(
1
2
3
)
tomasorta
on 05-07-2021
06-09-2021
07:18 AM
by
Oldblue
20
4,086
Whats your gas mileage on your HHR
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3
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Last Page
)
michiganman
on 04-17-2013
01-27-2021
03:08 PM
by
PittKrewBowling
184
100,134
car dash mileage vs Real mileage
(
1
2
)
KL8T
on 04-08-2020
01-14-2021
03:43 AM
by
Rocket Surgeon!
15
4,140
Anyone else notice decreased MPG with vehicle age
goetylsd
on 01-04-2021
01-07-2021
09:41 PM
by
sleeper
6
1,073
Is it possible to buy more fuel at current price?
ScareDe2
on 12-13-2020
12-13-2020
02:11 PM
by
Bonez
3
817
Think Thin: GF-6 Latest Spec in Engine Oil
sleeper
on 08-22-2019
08-22-2019
08:23 PM
by
sleeper
0
1,766
Grille mods, self made - to cut drag, boost engine temps
(
1
2
3
)
Tshane3000
on 01-05-2019
01-11-2019
09:40 PM
by
d0sitmatr
27
10,366
5-speed from Cobalt XFE in HHR?
Heritage High Roof
on 03-31-2018
01-11-2019
06:06 AM
by
d0sitmatr
7
3,308
More MPG info...
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1
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3
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Last Page
)
11hhrlt
on 02-12-2014
12-28-2018
03:06 PM
by
RJ_RS_SS_350
58
19,006
Do U use any type of fuel injector cleaners?
(
1
2
3
)
kamikaze3557
on 04-12-2018
05-26-2018
02:09 PM
by
tiapetra
21
13,220
Best Mileage Oil?
(
1
2
)
Drifter.
on 03-29-2013
01-18-2018
11:37 AM
by
whopper
13
10,249
Sputtering flow of air from tailpipe w/ idel
Scottrobinn
on 06-06-2017
06-07-2017
06:43 AM
by
Oldblue
4
3,259
Does synthetic oil improve fuel economy?
(
1
2
)
06chevyHHR
on 05-09-2016
02-16-2017
07:31 AM
by
solman98
18
6,275
Help with lousy fuel economy.
Alex Kehoe
on 02-14-2017
02-15-2017
02:43 PM
by
Oldblue
5
2,402
what grade of gas is everyone running?
(
1
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3
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DIESAHL
on 09-22-2016
02-10-2017
09:33 PM
by
Bob109
26
8,475
At what speed does the HHR start to get poor mileage?
(
1
2
3
)
bugo
on 01-20-2016
02-10-2017
11:47 AM
by
aradmahogany
20
14,693
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