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P2073 OBD2: Manifold Absolute Pressure/Mass Air Flow - Throttle Position

P2073 OBD2: Manifold Absolute Pressure/Mass Air Flow – Throttle Position

What Does the P2073 Code Mean?

The P2073 code is defined as a Manifold Absolute Pressure/Mass Air Flow – Throttle Position. It indicates that there is a discrepancy between the expected air flow readings and what the engine control module (PCM) is actually monitoring. This can result in poor engine performance and increased fuel consumption.

What Causes the P2073 Code?

Several factors can trigger the P2073 code, including:

  • Damaged charge air cooler assembly
  • Mass Air Flow (MAF) sensor failure
  • Wiring issues related to the MAF sensor or throttle position sensor

What Are the Symptoms of the P2073 Code?

Drivers may notice several symptoms when the P2073 code is present:

  • Decreased engine performance
  • Increased fuel consumption

How Serious Is the P2073 Code?

The P2073 code is considered urgent. If left unaddressed, it can lead to significant vehicle damage and may compromise driver and passenger safety. Immediate attention is recommended to prevent further complications.

How to Diagnose the P2073 Code

Diagnosing the P2073 code involves a systematic approach, including:

  1. Using an OBD-II scanner to confirm the P2073 code and check for any related codes.
  2. Inspecting the wiring and connectors for the MAF and throttle position sensors.
  3. Testing the MAF sensor to ensure it is functioning correctly.
  4. Assessing the charge air cooler assembly for any signs of damage.

Common Repairs for the P2073 Code

Common repairs associated with the P2073 code may include:

  • MAP sensor replacement
  • Mass airflow sensor replacement
  • Throttle position sensor replacement

How Much Does It Cost to Fix the P2073 Code?

The cost to fix the P2073 code can vary widely based on the underlying cause and labor rates in your area. On average, repairs can range from $100 to $500, depending on whether sensors need to be replaced or if there are more complex issues such as wiring repairs.

Can I Fix the P2073 Code Myself?

If you have a good understanding of automotive systems and access to the necessary tools, you may be able to fix the P2073 code yourself. However, improper diagnosis or repair could lead to further issues. It is advisable to consult a professional mechanic if you are uncertain about the repairs.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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