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Rough idle, but smooth while driving?
Posted by 86SPG [Email] (more from 86SPG) on Mon, 19 Sep 2005 12:29:51
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Ok, my one final problem with my 93 9kCDE (for now anyway), at idle, it doesn't run very smooth. If you go to the back of the car while its running, the exhaust sounds like every once in a while the engine misses a beat, sounds like this more so in Park or Neutral than in any gear with brake applied. Other than this though, the car drives smooth, no loss of power, boosts fine, it does surge a tiny bit now and then, but I think that may be the A/C compressor kicking on and off, I haven't tried it with the ACC off yet. Its got a brand new DI, brand new plugs (NGK) and all new vac lines. I'm wondering if maybe its got dirty injectors? or maybe a bad purge valve? I'm also wondering if a TCS recalibration would smooth out idle or not. TIA,
-Garret
93 9kCDE
88 900TC
86 SPG
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