P1922 Mazda Code - Fuel Additive Level Circuit Malfunction
Quick Answer
P1922 Mazda indicates Fuel Additive Level Circuit Malfunction. Common causes include Faulty Fuel Additive Level, Fuel Additive Level harness is open or shorted, Fuel Additive Level circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1922 Mazda indicates Fuel Additive Level Circuit Malfunction.
- Common causes
- Common causes include Faulty Fuel Additive Level, Fuel Additive Level harness is open or shorted, Fuel Additive Level circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1922 Mazda Description
What are the Possible Causes of the DTC P1922 Mazda?
- Faulty Fuel Additive Level
- Fuel Additive Level harness is open or shorted
- Fuel Additive Level circuit poor electrical connection
How to Fix the DTC P1922 Mazda?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1922 Mazda code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1922 Mazda Code
1. What does OBDII code P1922 mean on a Mazda?
P1922 indicates a Fuel Additive Level Circuit Malfunction, meaning the system is detecting an issue with the sensor or circuit that monitors the fuel additive level in the tank.
2. What are the common symptoms of P1922 in a Mazda?
Symptoms may include an illuminated check engine light, poor fuel efficiency, reduced engine performance, or issues with the diesel particulate filter (DPF) regeneration process.
3. What causes the P1922 code to appear?
Potential causes include a faulty fuel additive level sensor, damaged wiring or connectors in the sensor circuit, a low additive level in the tank, or a malfunctioning fuel additive control module.
4. How can I fix the P1922 code on my Mazda?
Check the fuel additive level and refill if necessary. Inspect the wiring and connectors for damage, and replace the fuel additive level sensor or control module if faulty.
5. Can I drive my Mazda with a P1922 code?
Driving with a P1922 code is not recommended, as it may prevent the DPF from regenerating properly, leading to further engine or exhaust system damage.
6. How do I check the fuel additive level in my Mazda?
Consult your vehicle's owner’s manual for the location of the fuel additive tank and follow the instructions to inspect or refill the additive.
7. What tools are needed to diagnose P1922?
You will need an OBDII scanner to read the code, a multimeter to test the circuit, and possibly a repair manual for specific diagnostic procedures.
8. How much does it cost to repair a P1922 code on a Mazda?
Repair costs vary, but replacing the fuel additive sensor may cost $150-$300, while wiring repairs or module replacements could add to the expense.
9. Can a low fuel additive level trigger the P1922 code?
Yes, if the additive level is too low, the system may interpret this as a circuit malfunction and trigger the P1922 code.
10. Does resetting the code clear the issue permanently?
Resetting the code may temporarily turn off the check engine light, but if the underlying issue isn’t resolved, the code will likely return.
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