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cylinder 4

  1. General Troubleshooting and Technical Help
    1999 Forester S 200,000 miles ej25. First Subaru. Car drives fine but idles terrible. Shaking misfire idle. I’ve been chasing the misfire for a bit now. CEL will say p0304. Compression test comes back 60ish psi. Leak down test has air leaking from exhaust. Timing is perfect. Belt is newish. So...