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Flashing S3

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Flashing S3

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    Flashing S3

    Another "my car won't start" deal. It doesn't happen all of the time but, sometimes when I go to work I'll stop at AMPM for my morning red bull. 20 minute drive from my house. When I get back in the car all it will do is turn over and over and over. Usually I am able to reset the ECU. But this morning was a bit different. It took 10 minutes of reseting the ECU to get her to start. Now the new problem came into play. After getting her to start, off to work I went. S3 flashing on my cluster. And it seemed to only be in 3rd gear. It's an auto RO tranny. I would punch it to see if it would down shift, nope. Tranny has about 5k miles on it. 40k when I bought it. I am gonna check for codes later, but thought I might get a quicker response here. Thanks in advance

    #2
    http://g2ic.com/forums/showthread.ph...ighlight=flash

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      #3
      ok...so that didn't help... gimme a bit.

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        #4
        http://g2ic.com/forums/showthread.ph...light+flashing

        hopefully that one works.

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          #5
          Yeah that thread helped. Thanks.

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            #6
            Just went to check my car for codes and nothing. and there was no more flashing S3. Go figure.

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              #7
              Yesterday i had an encounter with the s3 light. The car was acting like the tranny was slipping, so i shut it down and tried to start it. It wouldn't start, but I also noticed that I didn't hear a click from the main fuel relay. I sat for like 15mins and the car started right up and no more s3 light. Would the s3 light affect the fuel relay?

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                #8
                anyone?

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                  #9
                  It may just be a 'side-effect', but I was seeing strange blinking S3 behavior at the same time I was experiencing the infamous MFR no-start problem. Once I changed out the MFR, I did not observe the S3 behavior again and the car started up everytime. The car was also exhibiting weird shifting behavior at the same time. I know it doesn't make sense, I'm just relating my own 'personal' experience. I was really afraid I was looking at transmission problems. Let us know what happens when you change your MFR.

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                    #10
                    I had the same problem a few months back but it was actually after I changed my MFR. My S3 light was flashing and I was stuck in 3rd gear, so I checked to see if I was getting any codes...I think I was reading 1,3,7 at the time cant remember exactly. Anways I just reset the ECU and I haven't had a problem since and I checked again for codes and it was fine.

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                      #11
                      Thanks. I've tried soldering the MFR, but I guess that didn't help. I'll swap out the MFR and see if that solves it.

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                        #12
                        similar issue

                        I'm having a similar issue:
                        off and on for about the last 6 months, the car will occasionally not start. Usually when its either warm outside or after I've only driven a short while and then stopped the car. I assumed it was something relating to compensation for engine temp (adjusting fuel ratio or the like). Usually I let it sit for a minute and h ave no problems.
                        Yesterday night I got to my car (it was sitting all day and not hot out).
                        I had trouble starting it, then got a blinking S3.
                        Trans code check TCM shows 1,2,3,7,8
                        AND - when i put it in drive it was like it was stuck in 3rd or 4th gear. I was able to get it to second by putting it manually there on the selector, but when I went back to S3/S4 or D - it went back into 3rd or 4th and stayed there.
                        Anybody know a good reason? I'll maybe flush my trans when I get a chance and change the fluid....??
                        -Mike
                        [email protected]

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