my mpg has been going down alot
05-13-2009, 05:17 PM
#1
Senior Member
Thread Starter
Join Date: 03-18-2009
Location: conroe tx
Posts: 443
my mpg has been going down alot
for some reason after i did my oil change the DIC says im getting 16-18 mpg in city and 22-24 on the highway
my engine is sucking on the gas tank like its a big gulp!! WTF.
and yes im easy on the go with rpms under 2500 and high way speeds at 65 max
i just dont get it . it used to get 25 city and 32 high way.
i had to fill up twice this week with my normal driving like i do EVERYWEEK
i only had to fill up every week and a half before i got my oil changed . is there something i need to change i dont know about ?
im going to change the air filter tomorrow . and i put a new oil filter in when i did a change with the right amount of oil
just so everyone knows
my engine is sucking on the gas tank like its a big gulp!! WTF.
and yes im easy on the go with rpms under 2500 and high way speeds at 65 max
i just dont get it . it used to get 25 city and 32 high way.
i had to fill up twice this week with my normal driving like i do EVERYWEEK
i only had to fill up every week and a half before i got my oil changed . is there something i need to change i dont know about ?
im going to change the air filter tomorrow . and i put a new oil filter in when i did a change with the right amount of oil
just so everyone knows
05-15-2009, 06:56 PM
#6
Senior Member
Join Date: 12-20-2008
Location: durham north carolina
Posts: 835
oil
synthetic oil does make a difference , as well as the weight...i'm using 0w-20w oil now , and i think i will continue , since i found that it increased my mpg...i will also cotinue to use napa gold air filters , unless i install a cold air intake...my mpg is aways above 30 now even if i mix some 80mph runs in on my route.
05-15-2009, 10:34 PM
#7
Senior Member
Thread Starter
Join Date: 03-18-2009
Location: conroe tx
Posts: 443
synthetic oil does make a difference , as well as the weight...i'm using 0w-20w oil now , and i think i will continue , since i found that it increased my mpg...i will also cotinue to use napa gold air filters , unless i install a cold air intake...my mpg is aways above 30 now even if i mix some 80mph runs in on my route.
07-10-2009, 11:51 PM
#9
Member
Join Date: 05-23-2007
Location: Indianapolis IN
Posts: 75
Recently I had the check engine light come on. Before that I noticed the fuel economy getting worse. When I took it to the Dealer they told me one of my injectors was bad. They replaced with the new version? Mine is a 07 2.4. After that it is getting better MPG than when I got it.
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