P0307 cylinder seven misfire?

1999 GMC SIERRA
200,000 MILES • AUTOMATIC
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HLENORI
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  • 3 POSTS
Replaced spark, plug and spark plug wire replaced coil and injector and PCV valve
May 5, 2026 at 3:08 PM
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HLENORI
  • MEMBER
  • 3 POSTS
Also did compression check all cylinders about 120
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May 5, 2026 at 4:27 PM