U3768 Lexus Auto Trouble Code
U3768 Lexus OBD2 may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.
The crank but won't start condition, along with the trouble codes may make you think you've got a PATS anti-theft system problem. However, Ford reports that these codes are all related to software bugs. The only way around the problem is to reprogram the PCM with the latest software.
U3768 Lexus Possible Solution:
The firing order is an important part of the overall design of the engine and is determined during the design of the engine to eliminate as much engine vibration as possible. If the firing order is changed or adjusted, the ignition from the spark plug is delivered at the wrong time and the engine functions poorly or does not run. The firing order for a particular engine is typically found in the repair manual specific to that model.
U3768 Lexus Description For All Models :
- Lexus Daytona
- Lexus Es
- Lexus Flv
- Lexus Gs
- Lexus Gx
- Lexus Is
- Lexus Is200
- Lexus Is220
- Lexus Is250
- Lexus Is300
- Lexus Lf
- Lexus Ls
- Lexus Ls 300
- Lexus Ls 350
- Lexus Lx
- Lexus Minority Report
- Lexus Rx
- Lexus Rx 300
- Lexus Rx400h
- Lexus Rx450h
- Lexus Sc
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U3768 Lexus Trouble Repair :
If your vehicle failed a U3768 Lexus test and the U3768 Lexus Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression. Use your OBD Express DIY to look at the oxygen sensor outputs, coolant temperature, airflow, calculated engine load, and inlet air temperature. |
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