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Hard-core CEG'er
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im getting 15 or less mpg. its been like this for a while, and im pretty sure it happened around the time i changed my o2 sensor i got a 97 duratec atx, and the o2 sensor i changes was the one closest to teh cat (not the precats)
Russell
Oval Port 3L Nearly Done
MTX75 w/ Homebrew Zetec FD and Torsen Complete
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Joined: Aug 2002
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Hard-core CEG'er
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Russell
Oval Port 3L Nearly Done
MTX75 w/ Homebrew Zetec FD and Torsen Complete
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Joined: Mar 2002
Posts: 930
Veteran CEG\'er
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Veteran CEG\'er
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TTT, I'm getting around 10 mpg!!!
2000 Contour SVT
17" Focus SVT wheels
Intrax suspension
#1694
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Joined: Aug 2002
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Hard-core CEG'er
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anyone ???????
im a poor student who cant afford to buy this much gas !
Russell
Oval Port 3L Nearly Done
MTX75 w/ Homebrew Zetec FD and Torsen Complete
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Joined: Oct 2002
Posts: 2,408
Hard-core CEG'er
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Hard-core CEG'er
Joined: Oct 2002
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Have you looked at that O2 sensor lately? Maybe the wires melted to the exhaust.
Only other things that cause really bad fuel consumption (if it still runs somewhat normal) are temperature sensors or a really whacked out MAF.
Smell your oil and change it if it smells like gas!!!
"Those who cannot remember the past are condemned to repeat it" -George Santayana
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Joined: Jul 2000
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Hard-core CEG'er
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Hard-core CEG'er
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Check:
1) Spark Plugs (I change mine every 30-40K)
2) Plug Wires (Arcing plug wires kill mileage)
3) o2 Sensors (Common culprit, though an expensive one)
4) Dirty Air Element (Could be exacerbating the problem)
5) Cold Weather/"Winter Gas" (Lower mileage in general)
6) Clogged Fuel Filter (Doubt it, but a possibility)
7) Driving Habits (self-explanitory)
It could be a combination of any of these. If you've already done the o2 sensors, I'd hit the plugs and plug wires next along with the fuel filter.
Unless you're throwing a CEL, it's going to be hit or miss, so I'd start with the least expensive stuff first.
Best of luck!
JaTo
e-Tough Guy
Missouri City, TX
99 Contour SVT
#143/2760
00 Corvette Coupe
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Joined: Aug 2002
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Originally posted by JaTo:
Check:
1) Spark Plugs (I change mine every 30-40K)
2) Plug Wires (Arcing plug wires kill mileage)
3) o2 Sensors (Common culprit, though an expensive one)
4) Dirty Air Element (Could be exacerbating the problem)
5) Cold Weather/"Winter Gas" (Lower mileage in general)
6) Clogged Fuel Filter (Doubt it, but a possibility)
7) Driving Habits (self-explanitory)
It could be a combination of any of these. If you've already done the o2 sensors, I'd hit the plugs and plug wires next along with the fuel filter.
Unless you're throwing a CEL, it's going to be hit or miss, so I'd start with the least expensive stuff first.
Best of luck!
new wires and plugs (motorcraft) less than 10K ago KKM installed less than 2 weeks ago (i reset computer) ive switched between 87 and 93 octane gas, same for both fuel filter changed less than 10K ago (napa silver) ive tried babying the car, still got horrible milage
Russell
Oval Port 3L Nearly Done
MTX75 w/ Homebrew Zetec FD and Torsen Complete
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Joined: Jul 2000
Posts: 3,718
Hard-core CEG'er
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Swap out the other o2 sensor or check you cat (maybe getting plugged). Might try to get a local mechanic to check the cat for you. I think you can get pretty nasty mileage when a cat's getting plugged up...
I'm running out of ideas here. Anyone else care to step in?
JaTo
e-Tough Guy
Missouri City, TX
99 Contour SVT
#143/2760
00 Corvette Coupe
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Hard-core CEG'er
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Hey Poop, it's been a month now.  Quit Playing Around
Have you checked anything? Have you checked the codes again?
Even if the CEL didn't come on there might be a code showing it didn't reach closed loop operation.
"Those who cannot remember the past are condemned to repeat it" -George Santayana
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Hard-core CEG'er
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Originally posted by Rogerm60:
Hey Poop, it's been a month now.
Quit Playing Around
Have you checked anything? Have you checked the codes again?
Even if the CEL didn't come on there might be a code showing it didn't reach closed loop operation.
there are no codes. ill try to find some time to get down to autozone (its like 20 min away)
Russell
Oval Port 3L Nearly Done
MTX75 w/ Homebrew Zetec FD and Torsen Complete
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