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06-27-2022, 02:07 PM
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#1 |
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Junior Member
Join Date: Jun 2022
Drives: 2017 Subaru Brz
Location: Los Angeles
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Misfire on single cylinder with no check engine light
Hello all. Just wanted to see if I can get some help as I've been stressing my self out trying to find what's wrong with my car.. I have a
2017 supercharged brz. Car had 37k miles. I've been getting a single misfire on cylinder 3 but the misfire is only happening at cold start/idle. Once I drive my car and put it back to idle my misfire is gone. I'm not getting no check engine light so I can't go based off any code.. I've swapped out coil pack, spark plug and even threw in new injectors. Once My car is in drive the misfire seems to go away as well. I'm including 2 logs one at idle and one on normal driving. If anyone can help I would really appreciate it. |
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06-27-2022, 06:13 PM
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#2 |
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Senior Member
Join Date: Jun 2017
Drives: BRZ Yellow, Ranger, Evora, WCM S2K
Location: Dallas
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how do you know you are having a misfire? What injectors did you replace?(PI, DI or Both?). Being modified I would look at the tune first.
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06-27-2022, 07:55 PM
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#3 |
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Senior Member
Join Date: Dec 2018
Drives: 2013 frs base
Location: central Virginia
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My na FRS runs a little rough on cold start, no cel. I've been told it's because I have a lightweight flywheel. Not sure if it's true. Just repeating rumors.
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06-28-2022, 02:16 AM
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#4 | |
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Join Date: May 2013
Drives: 2013 FR-S, white, MT
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