...u help Have an exhaust shop check it - you probably have a worn out cat converter and or bad O2 sensor(s). possible bad mass air flow sensor causing rich fuel trim, vvt cam gear also possible
...fuel trim is considerably in error on lean side;The signal from air fuel ratio sensor is approximatelyproportional to existing air-fuel ratio. for this code suspect excessive lean condition,normal ...
...Fuel Trim Too Lean (Bank 1). not sure if this is the problem, but notice problem started when change fuel, from RON97 to RON95. does the fuel filter needs replacement? the knock sensor should also be ...
...problem. you may wish to have your technician connect a scanner and check your long and short term fuel trim values to rule out any other problems. if this was helpful please leave positive
...fuel trim. Also, that code is for the whole o2 circuit, right? Might need to keep checking. Does your car have a heated o2 sensor? Just another circuit to check, if so. good luck.Looked at your post ...
Question about 1999 RX 300
...Fuel trim numbers should be close to zero. It is when fuel trim changes by double digits-either positive or negative-that there is an indicated problem. For example, say you had a vacuum hose leak- ...
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