What does OBD code P0300 on Lexus mean?
OBD2 Code P0300 Lexus definition: Basically this means that the the car’s computer has detected that not all of the engine’s cylinders are firing properly. A P0300 Lexus diagnostic code indicates a random or multiple misfire.
What causes a random cylinder misfire on a Lexus?
Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 Lexus code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.
What happens when you reset the ECU on a Lexus?
The ECU stores diagnostic trouble codes when it senses a malfunction so a mechanic can fix it later. It’s also the ECU’s job to store your driving data to customize your ride. For around the first 1,000 miles of the ECU being reset, the car adjusts to the driver’s typical driving style.
OBD2 Code P0300 Lexus definition: Basically this means that the the car’s computer has detected that not all of the engine’s cylinders are firing properly. A P0300 Lexus diagnostic code indicates a random or multiple misfire.
What does the P0300 code on a spark plug mean?
The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs.
How much does it cost to repair a Lexus P0300?
The cost to diagnose the P0300 LEXUS code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 Lexus code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.