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[Main 9000 Bulletin Board | BBFAQ | Prev by Date | Next by Date | Post Followup ] Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos Re: Only getting 22.3 mpg, reasons besides... Like This Post: - Subscribe to Daily Digest for this Bulletin Board Posted by Ari [Email] (#2847) [Profile/Gallery] (more from Ari) on Mon, 11 Apr 2005 05:11:04 In Reply to: Only getting 22.3 mpg, reasons besides..., Justin, Sun, 10 Apr 2005 18:08:27 Alert me when someone posts in this thread: Members do not see ads below this line. - Help Keep This Site Online - Signup

The CEL indicates that the engine control thinks something is amiss. That can be that it thinks a sensor has failed, or is unable to adjust the mixture the way it wants. The ECU can compensate, up to a point, for failed components. But if the CEL is on, it is trying to tell you something. The ideal would be to clear the faults and then see what pops up.

A failed temp sensor, and yes, the AMM and FPR cal all lead to issues. 22-23 isn't so bad that you'll see an over-rich mixture on the plugs; but you still may be running just a bit rich.

I can' agree with Daren on cleaning the AMM element - the burn-off function does a better job than any chemical attack, and I would be concerned about using any solvent on the AMM. They already have corrosion problems, and chemicals that can attack grease and rubber aren't a good idea.
It wouldn't hurt to check the AMM burn-off function.

posted by 192.249....

• Only getting 22.3 mpg, reasons besides..., Justin, Sun, 10 Apr 2005 18:08:27
  • It is not bad..., Yaofeng, Tue, 12 Apr 2005 01:14:02
  • Re: Only getting 22.3 mpg, reasons besides..., Ari , Mon, 11 Apr 2005 05:11:04 <-- Viewing This Message
    • I suspect temp. sensor, where is it located? n/m, Justin, Mon, 11 Apr 2005 06:55:15
      • Re: I suspect temp. sensor, where is it located? n/m, Ari , Mon, 11 Apr 2005 07:54:24
        • Re: I suspect temp. sensor, where is it located? n/m, Bill Davies, Mon, 11 Apr 2005 11:33:07
        • why doesn't eeuroparts have them for my 9k cs na?n/m, Justin, Mon, 11 Apr 2005 10:22:34
          • Part number, Ari , Mon, 11 Apr 2005 12:49:54
            • '92T seem to have an air temp sensor screwed onto, Daren, Mon, 11 Apr 2005 15:34:26
              • Nope, don't have one, Ari , Tue, 12 Apr 2005 05:39:46
  • Disconnect battery for 30 min. It may clear your CEL., Daren, Sun, 10 Apr 2005 19:11:08
  • Re: Only getting 22.3 mpg, reasons besides..., matt 94 aero, Sun, 10 Apr 2005 18:25:54
    • Re: Only getting 22.3 mpg, reasons besides..., Justin, Mon, 11 Apr 2005 07:00:02
      • Re: Only getting 22.3 mpg, reasons besides..., Sean, Mon, 11 Apr 2005 09:38:36

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