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#1
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crappy gas milage
OK, ruling out driving habits, O2 sensors, catalytic converters collapsing, what else could cause a steady decline in gas milage? Could a broken VSS2 affect this at all?
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#2
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Least expensive fixes for poor gas milage that have worked for me: Clean your throttle body...replace your air filter...replace your fuel filter, if gas milage is still poor, replace your spark plugs.
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#3
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Re: crappy gas milage
TorG0d is your check engine light on at all? If it is, and it's caused by something amiss with your engine (e.g. a bad spark plug), your SVX's ECU will immediately go into a richer 'safe mode' - and when it does this, gas mileage is comprised somewhat.
My engine is currently in safe mode, due to a bad knock sensor that I'm replacing later this month. I was averaging about 20.5 mpg with city/highway driving before, now I'm getting about 19.5mpg average. -Chike Quote:
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"Wise men talk because they have something to say; fools, because they have to say something." - Plato 2013 Cosmic Blue 5spd Evo X GSR 2006 Galaxy Gray 6MT RX-8 (sold) 2006 Steel Gray WRX TR (sold) 1996 Brilliant Red SVX L (sold) Last edited by Chiketkd; 05-10-2004 at 11:31 AM. |
#4
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Oh yeah, forgot induction cleaning as well.
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#5
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What exactly would you call Crappy milage?
I get 200miles to the tank. Tire Pressure is a big one, and really easy to check. Stock tires should be 39 front, 36 rear. According to my shops Alignment rack.
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Chris G 92 Pearlie, sold @ ~209k miles. Now owned by Tim. Current Ride, 1985 Honda Aero 80, stock 3024 klms |
#6
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Quote:
dcb |
#7
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maybe they only get a 10 gallon tank in canada. i'd give up my 18.5 for heated seats.
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Kenneth 1997 Subaru SVX LSi "Svetlana" #185 of 640 - 09/1996 - Polo Green Pearl - 34k miles 1992 Subaru SVX LS-L "Everett" #8738 - 01/1992 - Ebony Pearl - 139k miles - 5MT shifty - Sold 07/31/2011 1992 Subaru SVX LS-L "Sven" #1599 - 05/1991 - Claret - 168k miles - Traded 05/11/2005 2023 Subaru Crosstrek Limited CVT - Crystal White Pearl - 2.8k miles 2021 Subaru Forester 2.5i Limited CVT - Horizon Blue Pearl - 17k miles 2023 Volkswagen Jetta S 6MT - Pure White - 2.6k miles 2020 Hyundai Ioniq Limited EV - Ceramic White - 30k miles |
#8
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however, i do miss rob telling me i'm wrong or lying when i state i routinely get 400 miles per tank.
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Kenneth 1997 Subaru SVX LSi "Svetlana" #185 of 640 - 09/1996 - Polo Green Pearl - 34k miles 1992 Subaru SVX LS-L "Everett" #8738 - 01/1992 - Ebony Pearl - 139k miles - 5MT shifty - Sold 07/31/2011 1992 Subaru SVX LS-L "Sven" #1599 - 05/1991 - Claret - 168k miles - Traded 05/11/2005 2023 Subaru Crosstrek Limited CVT - Crystal White Pearl - 2.8k miles 2021 Subaru Forester 2.5i Limited CVT - Horizon Blue Pearl - 17k miles 2023 Volkswagen Jetta S 6MT - Pure White - 2.6k miles 2020 Hyundai Ioniq Limited EV - Ceramic White - 30k miles |
#9
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Quote:
I've only managed to squeeze out 400 once or twice, that was on 15-16 gallons.
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Collin 1995 L AWD Locker 1987 Porsche 944 turbo 80k miles. MBC + Chips. Relatively Stock |
#10
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as for the 97, i average about 20 mpg of good weather, pleasure driving.
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Kenneth 1997 Subaru SVX LSi "Svetlana" #185 of 640 - 09/1996 - Polo Green Pearl - 34k miles 1992 Subaru SVX LS-L "Everett" #8738 - 01/1992 - Ebony Pearl - 139k miles - 5MT shifty - Sold 07/31/2011 1992 Subaru SVX LS-L "Sven" #1599 - 05/1991 - Claret - 168k miles - Traded 05/11/2005 2023 Subaru Crosstrek Limited CVT - Crystal White Pearl - 2.8k miles 2021 Subaru Forester 2.5i Limited CVT - Horizon Blue Pearl - 17k miles 2023 Volkswagen Jetta S 6MT - Pure White - 2.6k miles 2020 Hyundai Ioniq Limited EV - Ceramic White - 30k miles |
#11
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In my 94 I average about 18. In the winter it was horrid and I was averaging about 15. Warmer weather seems to be kinder on the gas milage. So yeah, in the winter I would squeeze about 200 miles out of my gas tank before having to fill it from nearly empty. Now that it's warmer, I've managed to hit about 300 miles before having to fill it. But after having all that maintenance stuff that i've listed about, I too am able to achieve the 400 mile gas tank, until the cold weather sets back in.
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#12
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I filled-up again yesterday evening, adding 9.14 gallons to the tank and bringing my total consumption since Sunday morning to 12.477 gallons. With 339.1 additional miles on the odometer, the old gal managed just over 27 MPG. That's mostly highway driving with the cruise set @ 65 to 85 MPH; she works-up much more of a thirst on the hilly, curvy backroads around here. The price of premium at the Windy Ridge Conoco in Blue Ridge went up five cents between Sunday morning and Tuesday evening, to $2.079/gal. dcb |
#13
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I don't think thirty mpg is a totally unattainble number. When I go back and forth from school I usually get somewhere between 25-27. And that is going 90! I imagine if it were 75 mph all the way with no stops, mpg would be close to 30.
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Collin 1995 L AWD Locker 1987 Porsche 944 turbo 80k miles. MBC + Chips. Relatively Stock |
#14
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Gas Mileage
I had the same issue for a while and I couldn't figure it out. I ran injector cleaner, etc. . . Changing plugs this weekend (probably) - but recently I went from getting 250 miles a tank to around 300, and for the life of me I cannot figure out why. Not going to complain though.
A complete mystery to me. . . . |
#15
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i have never seen 30 mpg in the svx, but i'm quite sure it would happen if i ever took it on a road trip.
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Kenneth 1997 Subaru SVX LSi "Svetlana" #185 of 640 - 09/1996 - Polo Green Pearl - 34k miles 1992 Subaru SVX LS-L "Everett" #8738 - 01/1992 - Ebony Pearl - 139k miles - 5MT shifty - Sold 07/31/2011 1992 Subaru SVX LS-L "Sven" #1599 - 05/1991 - Claret - 168k miles - Traded 05/11/2005 2023 Subaru Crosstrek Limited CVT - Crystal White Pearl - 2.8k miles 2021 Subaru Forester 2.5i Limited CVT - Horizon Blue Pearl - 17k miles 2023 Volkswagen Jetta S 6MT - Pure White - 2.6k miles 2020 Hyundai Ioniq Limited EV - Ceramic White - 30k miles |
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