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-   -   Wrx 04 misfire (https://www.i-club.com/forums/engine-power-ej20t-pre-2006-wrx-jdm-60/wrx-04-misfire-266782/)

04wrxx Nov 28, 2015 02:57 PM
Wrx 04 misfire
 
Need some help!
My car started to misfire, the next day it stopped then it came back. At the beginning it was only cylinder 4 and now it's all of them. Tested coil packs change plugs, new fuel filter, compression test=155-150 on all four, new silicone piping (turbo inlet perrin. Intercooler piping mishimoto) .
When the car is cold it's not rough idling and no misfire. when it starts boosting it's start to misfire. When not boosting there's no misfire. No turbo leaks.
Sorry for my bad english😊

Xlagman92 Dec 4, 2015 11:00 AM
definitely check your spark plug gaps

04wrxx Dec 4, 2015 01:05 PM
[QUOTE=Xlagman92;3622546]definitely check your spark plug gaps[/QUOTE]

Gapped plug to 0.28


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