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 MANUALSACURA2003NSX V6-3.0L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMSPARK PLUGSPECIFICATIONS
2003 Acura NSX V6-3.0L DOHC
Spark Plug: Specifications
2003 Acura NSX V6-3.0L DOHCSECTION Specifications
Spark plug
NGK PFR6L-11
DENSO PK20PR-L11
Gap
Standard (New) 1.0 - 1.1 (0.039 - 0.043)
Limit 1.3 (0.051)
Torque 18 N.m (13 lb.ft)
Do not adjust the gap, replace the spark plug if it is out of service limit.
NGK PFR6L-11
DENSO PK20PR-L11
Gap
Standard (New) 1.0 - 1.1 (0.039 - 0.043)
Limit 1.3 (0.051)
Torque 18 N.m (13 lb.ft)
Do not adjust the gap, replace the spark plug if it is out of service limit.
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.