Yaminashi
Senior Member
- Joined
- Jun 1, 2017
- Threads
- 10
- Messages
- 195
- Reaction score
- 355
- Location
- Cincinnati, OH
- Vehicle(s)
- 91 Integra DB1, 18 Civic Si
- Vehicle Showcase
- 1
- Thread starter
- #1
My Si has been acting strange here recently and I'm not sure if I'm just freaking out over something normal or if there is an actual issue. The car will idle kinda rough but it only happens after I get back and drive somewhere else and the engine is warm and the AC is on. What's also weird is that it only happens when it's on any sort of tune, if I switch back to factory it doesn't idle rough. Checked the spark plugs and they're all within the gap spec not showing any abnormal wear. I also recorded a datalog of the car idling in both factory and tuned as well as a bit of driving on both.
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