Thread: Rough Idle
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Old 03-18-2020, 05:55 PM   #8
DeathToocher
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Drives: 2013 Scion FR-S
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Quote:
Originally Posted by NoHaveMSG View Post
Can you elaborate more on your issue? Does it idle rough all the time? Only when cold/only when at operating temp? Same with the rev hunting? Is the swing in revs a couple hundred rpm? is it 500 rpm swing? Are there any other mods on the car? Being it is tuned I would assume there are. Do you know what it was tuned for?

The more info you can provide the more likely and quickly we are to come up with a potential solution before we devolve into trolling.

See this is the first boxer engine I’ve owned so I’m not entirely familiar with what’s normal about them yet, the “rough idle” I’m seeing may be something completely normal. I do have crickets coming from the high pressure water pump, I know that’s normal and there’s no real solution. As for the rev hunting, it occurs at all temperatures, but only when the fan is on, A/C or heat. If the fan is off while idling it will not happen.


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