Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble understanding how much air is coming into the engine when the car is just sitting still and not moving.
The car's computer uses sensors to measure the air coming into the engine and the position of the throttle. If these readings don't match up correctly when the car is idling, the computer sets this code.
P2073 indicates a discrepancy between the Manifold Absolute Pressure (MAP) sensor, Mass Air Flow (MAF) sensor, and the throttle position sensor readings when the engine is idling. This can cause the engine control module (ECM) to miscalculate the air entering the engine, leading to improper air-fuel mixture adjustments.
• Check Engine Light is on
• Rough idle
• Poor fuel economy
• Engine stalling
• Faulty MAP sensor
• Faulty MAF sensor
• Faulty throttle position sensor
• Vacuum leaks
• Dirty or clogged air filter
MAP: Manifold Absolute Pressure
MAF: Mass Air Flow
• Use an OBD-II scanner to confirm the code.
• Inspect the MAP, MAF, and throttle position sensors for damage or dirt.
• Check for vacuum leaks in the intake system.
• Clean or replace the MAP sensor.
• Clean or replace the MAF sensor.
• Replace the throttle position sensor if faulty.
• Fix any vacuum leaks found.
• Replace the air filter if dirty.
• OBD-II scanner
• Multimeter
• Vacuum gauge
$100 - $300
Moderate
• Toyota Camry
• Ford F-150
• Honda Accord
• Regularly replace the air filter.
• Perform routine maintenance on sensors.
• Check for vacuum leaks periodically.
Engine Performance
• Avoid driving with this code active for long periods.
• Consult with a professional mechanic if unsure about repairs.
Check your vehicle's warranty to see if sensor issues are covered.
This code has been more prevalent in vehicles with higher mileage due to sensor wear and tear.
Moderate – It should be addressed soon to avoid further engine performance issues.
Driving with a malfunctioning engine can lead to safety risks and potential legal issues if emissions are affected.
• Engine at idle
• Vehicle in park or neutral
The MAP sensor is typically located on the intake manifold, the MAF sensor is in the air intake system, and the throttle position sensor is on the throttle body.
Q: Can I drive my car with a P2073 code?
A: It's possible to drive short distances, but it's best to fix the issue soon to avoid further problems.
Q: How do I know if my MAP sensor is bad?
A: Symptoms of a bad MAP sensor include rough idle, poor fuel economy, and engine stalling.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Chassis and ABS faults usually need a scanner that can read brake-system data directly.
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Universal · Torque wrench
Useful when reassembly torque matters for wheel, suspension, and under-hood fasteners.
Useful when wheel, hub, or suspension hardware needs correct reassembly torque.
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Universal · Drive-on ramps
Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.
Helpful for safer access during underbody inspection work.
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Fitment Required · Vehicle-fitment part
Relevant for airflow, fuel-trim, and intake-metering faults after confirming the sensor is actually at fault.
Airflow and fuel-trim codes can involve the mass air flow sensor after proper diagnosis.
Verify the sensor design and fitment for your exact vehicle.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.