240 FANATIC
 

HEY...NEW TO THE GROUP. CAN ANYONE PLEASE HELP ME GET BETTER GAS MILEAGE ON MY '92 240?[&o] IVE DONE EVERYTHING I CAN POSSIBLY THINK OF INCLUDING TUNE-UP, O2 SENSOR, FUEL FILTER, VERY DILIGENT ON FLUID CHANGES. I TRAVEL 160 MILES A DAY TO WORK -ALL HIGHWAY BETWEEN65 AND 70 MPH BUT CAN'T GET BETTER THAN 20 MPG AT BEST! THIS IS NOT NORMAL. HAD A 1990 THAT GOT 27-28 MPG. ENGINE RUNS AND DRIVES BEAUTIFUL AND THIS IS PUZZLING EVEN THE DEALER...HELP! PLEASE! PRICES ARE KILLN' ME. THANKS, ERIC.

RE: 240 FANATIC
 

Hi Eric,

Greetings from Yokohama, Japan.

Other than the items you've listed, the only things I can think of at the moment are:

1. Check tyre pressure, wheel balance & alignment.
2. Dump a large bottle of Techron fuel system cleaner (read the directions on the back of the bottle), drive until the tank is near empty and do this twice.
3. Be easy on the gas pedal; avoid rapid acceleration & deceleration.
4. Remove excessive luggage.
5. PCV system cleaning/servicing (if your car has one).
6. Brakes dragging (especially parking brake).

BTW, is your car of manual tranny or auto? If manual, the clutch may be slipping and may need adjustment/replacement. if auto, check on the ATF level & condition; it should be clear red and should not have burnt smell.

Also, what did the tune-up consist of? Platinum spark plugs perform better and they last a long time between replacements.

Or it may be just a natural engine wear. Have the engine compression-tested at a reputable shop.

Also, this is a new member's greetings area, and you will receive better & more accurate answers in the 240 section. As I'm an 850 driver, I am not too privy to 240s.

Good luck,


JPN

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