Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post - Hydrocarbon emissions too high need help tried everything.

*ManoNegra* · 08-22-2006, 03:34 PM

O2 sensor can easily go bad. Running rich can destroy them as well as a small amount coolant in the gas. 02 sensors, like anything, don't last forever.

08-22-2006, 03:34 PM	#10
ManoNegra Guild of Skullduggerous Intent Join Date: Jan 2004 Location: Socal Posts: 7,841 Trader Rating: (48)	O2 sensor can easily go bad. Running rich can destroy them as well as a small amount coolant in the gas. 02 sensors, like anything, don't last forever.