Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
1. Loosen spark plugs using special tool spark plug wrench 3122B.
CAUTION:
Broken spark plug electrodes
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Bits of electrodes can fall into the combustion chamber
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Only check electrode gap of spark plugs, but do not bend them.
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Spark plugs with an incorrect electrode gap must be replaced.
2. Check electrode gap in V8 naturally aspirated engine. - Control value: 1.6 mm