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running lean.... help please

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  • running lean.... help please

    my SES was gone from monday through about 30 minutes ago today...

    i was driving through eustis and my engine light lit up, so i pulled into autozone and had em pull the code. the scanner said the engine was running lean, and the guy said something about it was "code 101" [img]{SMILIES_PATH}/confused.gif[/img]

    anyways, just wondering what ya'll think it might be. i got an appointment at the dealer tomorrow to see what it is.

    until then, i'm running 89 octane just to be on the safe side.
    94 SC2, manual, the whore that won't die
    96 SC2, auto, 146k, wife's car
    96 Formula, LT1, T56, T-tops, gas guzzling whore

    Malo Periculosam Libertatem Quam Quietum Servitium

  • #2
    no, run 87, you have NO need for higher octane

    there's a chance that it's from the intake. I'm sure they never cleared the codes and reset it when they put the new intake in. it could very well be from the intake again, or the MAF might simply be bad.
    -Vinny

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    • #3
      if they never cleared the codes, then why was the SES off for 2 days?

      and actually, i got 89 in it cause the gas station i stopped at last night was out of 87...

      as for the MAF sensor, then i might be moving on to my 5th MAF sensor... [img]{SMILIES_PATH}/confused.gif[/img]
      94 SC2, manual, the whore that won't die
      96 SC2, auto, 146k, wife's car
      96 Formula, LT1, T56, T-tops, gas guzzling whore

      Malo Periculosam Libertatem Quam Quietum Servitium

      Comment


      • #4
        because the light may go off but the code can still be there in memory

        if that's an oiled filter, expect to go through MAF's more often than you should
        -Vinny

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        • #5
          well...i was driving some more today, and the light just turned off. [img]{SMILIES_PATH}/confused.gif[/img]

          i called my dealership to cancel tomorrow's appointment (since i'm gonna be there in a week or so for oil change anyways) and they said it might've been a loose gas cap...
          94 SC2, manual, the whore that won't die
          96 SC2, auto, 146k, wife's car
          96 Formula, LT1, T56, T-tops, gas guzzling whore

          Malo Periculosam Libertatem Quam Quietum Servitium

          Comment


          • #6
            that's possible, though it wouldn't cause a lean code

            take the cap off and put it back on, then pull the ECU fuses in the box for a few min, put them back in and try to start it. don't give it any throttle while it tries to idle down or crank up.
            -Vinny

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            • #7
              i'm beginning to think that possibly the lean code was left over from the old intake, since after the light went off i went back to autozone and it was still saying that code, so who knows how long that'd been in there.
              94 SC2, manual, the whore that won't die
              96 SC2, auto, 146k, wife's car
              96 Formula, LT1, T56, T-tops, gas guzzling whore

              Malo Periculosam Libertatem Quam Quietum Servitium

              Comment


              • #8
                it is possible
                -Vinny

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                • #9
                  its probably the chicken feathers caught up in the cadalitic converter.

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                  • #10
                    uh huh...yep...sure... [img]{SMILIES_PATH}/rolleyes.gif[/img]

                    and it's catalytic.
                    94 SC2, manual, the whore that won't die
                    96 SC2, auto, 146k, wife's car
                    96 Formula, LT1, T56, T-tops, gas guzzling whore

                    Malo Periculosam Libertatem Quam Quietum Servitium

                    Comment


                    • #11
                      thank you school marm... its probably the truck exhaust f'n with the blowby and the flux capacitor

                      Comment


                      • #12
                        flux capacitor? maybe i should check that next time i top off my blinker fluid. :roll:
                        94 SC2, manual, the whore that won't die
                        96 SC2, auto, 146k, wife's car
                        96 Formula, LT1, T56, T-tops, gas guzzling whore

                        Malo Periculosam Libertatem Quam Quietum Servitium

                        Comment


                        • #13
                          you already have your answer
                          -Vinny

                          Comment


                          • #14
                            fuck it, run lean. leaner = meaner.

                            Comment


                            • #15
                              ill go with vinny on maf. ive had a bad maf, and hell ive driven the car for a week, then all of the sudden it comes on. then can go off or i can clear it and come right back on. then again it can take a couple hours, days, weeks, before it comes back on. car ran hella lean.

                              and yeah no reason for the 89. you can actually "lean" out the motor with the higher octane. it has a higher flash point so it takes more to ignite it
                              Ian---The Fat Ass

                              1995 SL2-High compression engine FOR SALE
                              2010 Chevy Cobalt SS- tuned with plenty of goodness
                              2002 SC2-New daily
                              2017 Kawasaki Ninja 650 KRT- got a stupid deal
                              2003 Ford Taurus SES- free daily beater

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