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2002 HX coupe, MT.. looking for better MPG's

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Old 03-03-2017
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2002 HX coupe, MT.. looking for better MPG's

This car is bone stock other than a stock replacement clutch, new tires, new spark plugs, it has 146k miles, burns/leaks no oil, and a stock replacement air filter. I am replacing the #2 and #3 02 sensors this weekend, the car currently gets 40mpg's without the AC on and that is literally all hwy driving. I'm wanting to increase the MPG's so I have been thinking about a CAI with the AEM dry filter (from what I've read is the best for these cars). Any other recommendations? Car has to pass a state inspection with no sniff test. Car still has the factory HX wheels with stock sized tires.
Old 03-03-2017
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Re: 2002 HX coupe, MT.. looking for better MPG's

Switch to the skinniest LRR tires that are the same circumference as the originals? (use a tire size calculator)

Make it more aerodynamic?


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Old 03-03-2017
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Re: 2002 HX coupe, MT.. looking for better MPG's

Lighten car will help, too.

Honestly, 40mpg with no AC is really good. I get ~32mpg mixed city/highway atm
Old 03-03-2017
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Re: 2002 HX coupe, MT.. looking for better MPG's

literally all hwy driving
Slow down!
I get far better mileage at 45-55 than I do at 75-85 (well maaaybe 90+ depending on traffic)
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Re: 2002 HX coupe, MT.. looking for better MPG's

40MPG's is actually really good i see Your using a AEM (DRY) performance Filter

Good choice there, and you have changed spark plugs, not sure if Your 2002

is equipped with a (Mass Air Flow Sensor) or not? if it does? make sure its clean if

it hasn't been cleaned in a long while ( as in Years) take it off and use only Mass Air Flow

Sensor cleaner. comes in a spray can. take the sensor off and use some CRC

M.A.F.S cleaner on it (Let it dry for 15-20 minutes before You start Your engine.)

i did mine on my 2008 Civic DX and believe it or not picked up a slight increase

in mileage and Performance from just cleaning it...
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Re: 2002 HX coupe, MT.. looking for better MPG's

Originally Posted by brags
40MPG's is actually really good i see Your using a AEM (DRY) performance Filter
Ops not using one atm. Looking into one




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