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Old 01-28-2013, 09:29 AM
mr.fuzz2u mr.fuzz2u is offline
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MPG problems

ok ive noticed every few weeks my mpg is declining. Has anyone else hadthese problems? I was thinking maybe i need a new air filter but what do i know. anyone can give me some pointers, i would be greatly thankful.
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Old 01-28-2013, 10:54 AM
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I've had a problem with worse gas milage since I got new tires last summer. I had 100k on the tires I had and was averaging 18mpg combined city/hwy. Should have stuck with the type tires I had, budget was tight and I let the salesman talked me into a different brand. Big mistake. Within a week I noticed my mpg dropped about a 1.5mpg. Aside from that I have noticed that some tanks of gas lately really seem to provide noticably poorer gas milage.

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Old 01-28-2013, 11:58 AM
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Quote:
Originally Posted by mr.fuzz2u View Post
ok ive noticed every few weeks my mpg is declining. Has anyone else hadthese problems? I was thinking maybe i need a new air filter but what do i know. anyone can give me some pointers, i would be greatly thankful.
Keep up w/ factory maintenance and use mostly OEM parts.

- Replace spark plugs (every 30K for the HEMI)
- Oil change (I use synthetic Mobil1 or Castrol Syntec 5w20 every 6K)
- Flush transmission every 30K
- Flush rear differential every 15K
- Replace air filter every 1yr/15K
- Replace PCV valve
- Remove unnecessary load, trash, etc. from inside.
- Maintain air pressure in tires on decent tread (typically 35psi; I usually go about 2-3 psi above what's labeled, to compensate for temp changes).
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Old 01-28-2013, 12:37 PM
mr.fuzz2u mr.fuzz2u is offline
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thanks for the advice. i think i need a good tune up..... this car has been sitting for a while before i purchased it so i think im going to upgrade it
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