1. Home
  2. /
  3. Complete List of OBD2...
  4. /
  5. P0322 Code – What...

P0322 Code – What Does It Mean & How To Fix It

This is one of the most frequent OBD2 trouble codes. Read the full article below to know what it means, how to fix it, and what other codes may show related to it.


Understanding Diagnostic Trouble Codes (DTC) is crucial for maintaining your vehicle’s performance. One such code that can be displayed on your dashboard is P0322. We are exploring the definition, meaning, causes, symptoms, diagnosis, frequently occurring errors, and possible remedies for P0322 within this comprehensive guide. We’re going to start by defining what P0322 means.


To fully grasp P0322, let’s break down its meaning:

  • “P” stands for Powertrain, indicating that the issue affects the engine and transmission.

  • “0” denotes a generic code that applies to all vehicle makes and models.

  • “3” specifies that it’s a misfire code.

  • “22” identifies the specific issue, which is a complete loss of signal from the ignition or distributor engine speed sensor.

In essence, P0322 informs you that there is no signal being received from the ignition or distributor engine speed sensor.


Let’s now investigate the typical causes of P0322:

  • Faulty Ignition/Distributor Engine Speed Sensor: The sensor may be broken and not be able to produce a signal.
  • Wiring Issues: Damaged or corroded wiring in the circuit connecting the sensor to the engine control module can disrupt the signal.
  • Problems with the sensor’s connections: Signal loss might be caused by faulty connections at the sensor or control module.


P0322-related problems can show up in many different ways, including:

  • Check Engine Light: The check engine light on your dashboard turning on is the most typical sign.
  • Engine Performance Problems: Your engine may operate poorly, stalling, hesitating, or misfiring.
  • Reduced Fuel Efficiency: Because the engine speed sensor is involved in fuel management, a malfunctioning sensor may result in less efficient fuel use.
  • No Start Condition: In extreme circumstances, the absence of a signal may prevent the engine from starting at all.


It’s critical to use a methodical diagnostic approach when dealing with a P0322 code:

  • Code Scan: Start by retrieving the code and learning its specifics using an OBD-II scanner.
  • Visual Inspection: Look for damage or loose connections in the wiring and connectors connected to the ignition or distributor engine speed sensor.
  • Sensor Testing: Test the ignition or distributor engine speed sensor itself to determine if it is functioning correctly or if it needs replacement.

Common mistakes

In the process of diagnosing and repairing P0322, some common mistakes to avoid include:

  • Neglecting routine maintenance, such as checking sensor connections during regular service intervals.
  • Replacing components without conducting proper testing, potentially wastes time and money.
  • Overlooking-related codes or issues, as signal problems may be linked to other sensor malfunctions.

How serious is this?

Several factors, including the underlying cause and scope of the signal problem, determine how serious a P0322 code is. This can result in lower engine power, drivability difficulties, and even a no-start condition. To avoid further problems, prompt diagnosis and correction are essential.

What repairs can fix the codeS?

repair manuals

The repairs needed to address P0322 will depend on the specific cause but may include:

  • Replacing a faulty ignition or distributor engine speed sensor.
  • Repairing or replacing damaged wiring or connectors in the sensor circuit.
  • Ensuring proper connections between the sensor and control module.

Related codes

P0322 may be associated with other related codes, such as:

  • P0320: “Ignition/Distributor Engine Speed Input Circuit,” which indicates a problem with the input circuit but does not specify a complete loss of signal.


The engine speed sensor’s ignition or distributor may completely stop sending signals, according to diagnostic issue number P0322. For this problem to be resolved successfully, it is essential to comprehend its meaning, causes, symptoms, and diagnostic procedure.

To preserve the performance and dependability of your vehicle’s engine, prompt diagnosis and suitable repairs are required. A trained technician should be consulted if you have a P0322 code to guarantee a correct diagnosis and treatment, ensuring your car operates smoothly and dependably.

P0322 Code – What Does It Mean & How To Fix It