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Misfire through all rpm

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Firstdsmhlpme

Firstdsmhlpme

Probationary Member
21
4
Jul 24, 2017
Toronto, ON, Canada
So a couple days ago i started to get this bad misfire and somtimes backfire. Its a 14b 6bolt 1g with a 3in turbo back. Im running about 14-15 psi. Car has 130k miles

Things ive already done:
- ngk wires
- bpr6es gapped at .28
- checked injectors all are firing

Im about to do the fuel filter as it looks like it has never been changed.
 
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