The 1998 Lexus GS typically comes with four oxygen sensors: two upstream (pre-catalytic converter) and two downstream (post-catalytic converter). These sensors help monitor the vehicle's exhaust emissions and optimize engine performance. If you're considering a replacement or inspection, it's important to check the specific engine variant, as some models may have slight variations.
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The 2013 Lexus GS-350 has 24 valves.
The 2008 Lexus GS-350 has 24 valves.
The 2007 Lexus GS-350 has 24 valves.
The 2009 Lexus GS-450H has 24 valves.
The 2009 Lexus GS-350 has 24 valves.
The 2014 Lexus GS-450H has 24 valves.
The 2014 Lexus GS-350 has 24 valves.
The 2007 Lexus GS-450H has 24 valves.
The 2010 Lexus GS-350 has 24 valves.
The 2008 Lexus GS-450H has 24 valves.
The 2013 Lexus GS-450H has 24 valves.