S2000 Under The Hood S2000 Technical and Mechanical discussions.

misfire/backfire/hesitation under 3k

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Old 12-17-2007, 01:13 AM
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i really hope it's just the injectors. i drove to work today and that car stopped popping under 3k but now it feels like im running on 3 cylinders. i had no power this morning at all. 1st gear felt like 3rd. maybe it would just be best to replace the injectors alltogether
Old 12-17-2007, 01:15 AM
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the engine felt very unbalanced through out the whole rpm range. it was lightly shaking the whole car. i have never lost any power above 3k untill this morning.
Old 12-17-2007, 01:35 AM
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i can get the orings today but i can't find the injector filters
Old 12-17-2007, 10:28 AM
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Originally Posted by tjbubb,Dec 17 2007, 05:13 AM
maybe it would just be best to replace the injectors alltogether
Old 12-18-2007, 01:01 AM
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well i took off the injectors and cleaned them last night and they did absolutly nothing for the car. so i ended up pulling off the heat sheild as far as i could, just so i could see the header. the car had been sitting for a little bit and the pipes were cold so i started up the car and felt each pipe. cylinders 2,3 and 4 got really hot right away and cylinder #1 stayed cool to the touch which told me right away that my problem was with that cylinder. to make a long story short i called my buddy had him bring his S over and i changed out my coil with his and the car ran beautiful. i ordered a new one and i pick up my new coil tomorrow morning. thank you for all your help
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