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SPARK PLUG GAP2001 Lexus GS300 3.0L SFI DOHC 6cylThe Spark Plug Gap.044 (In thousandths of an inch)
92 Lexus is OBD 1. There is a plug for Lexus OBD 1, and will not work with an OBD2 scanner.
The Lexus ES 300 is front wheel drive and the Lexus GS 300 is rear wheel drive
Trouble code P0420 means:Catalyst system efficiency below threshold
if the code is not located with your owners manual, go to a Lexus dealership to get a code. they may charge you for it.
http://my.is/forums/f67/is300-changing-spark-plugs-340989/
See http://www.lexls.com/tutorials/lighting/airbaglight.html Instructions work for Lexus GS300 too, but diagnostic plug is in the engine compartment.
Trouble code P0401 means: Exhaust Gas Recirculation Flow Insufficient Detected
yes 1mz-fe
it requires gasket.get it from Toyota dealer.cost $1.50
It will cost approximately $2,000 to change the color of a Lexus IS 300.