Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2004GALANT V6-3.8L (6G75)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMSPARK PLUGAPPLICATION AND ID
2004 Mitsubishi Galant V6-3.8L (6G75)
Spark Plug: Application and ID
2004 Mitsubishi Galant V6-3.8L (6G75)SECTION Application and ID
SPARK PLUG TYPE
NGK FR6EI
DENSO K20PSR-B8
Gap 0.7 - 0.8 mm (0.028 - 0.031 in.)
Gap Limit 1.2 mm (0.047 in)
Torque 25 +/- 4 N.m (18 +/- 3 ft.lb)
NGK FR6EI
DENSO K20PSR-B8
Gap 0.7 - 0.8 mm (0.028 - 0.031 in.)
Gap Limit 1.2 mm (0.047 in)
Torque 25 +/- 4 N.m (18 +/- 3 ft.lb)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.