garvard Posted December 25, 2006 Posted December 25, 2006 Hi. During last period I found that my '99 RX300 with 115K miles used too many fuel. The display shows 12-12,5 MPG on urban driving. Who know: what could happen? And to increase? Thanks for any advice.
Rillo Posted January 10, 2007 Posted January 10, 2007 - Try Cleaning the AirFlow Sensor - see MAF sensor cleaning instructions - Check for siezed Brake Caliper? - Fuel Pump losing power?? - Have Fuel system cleaned?? In UK we have stuff like REDEX but not sure if you guys have that in the US?? - Have diagnostics check to see if any oxygen sensors are out of kilter.
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