Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
Your car has a filter that catches dirt from the engine, and it's getting clogged on one side. It needs to be cleaned or fixed so the car can breathe properly.
The code indicates that the diesel particulate filter (DPF) on the second bank of the engine is becoming clogged with soot.
The P24A3 code is triggered when the Engine Control Module (ECM) detects a restriction in the diesel particulate filter (DPF) on Bank 2 due to excessive soot accumulation. This can affect engine performance and emissions.
• Check Engine Light is on
• Reduced engine performance
• Increased fuel consumption
• Excessive soot production
• Faulty differential pressure sensor
• Failed DPF regeneration process
DPF: Diesel Particulate Filter
ECM: Engine Control Module
• Check for other related codes
• Inspect the differential pressure sensor
• Perform a manual DPF regeneration
• Replace or clean the DPF
• Replace the differential pressure sensor
• Ensure proper DPF regeneration process
• OBD-II scanner
• Multimeter
• DPF cleaning kit
$500 - $2000
Moderate
• Ford F-250
• Chevrolet Silverado
• Ram 2500
• Regularly drive at highway speeds to allow DPF regeneration
• Use high-quality diesel fuel
• Perform regular maintenance checks
Engine Performance
• Drive the vehicle at higher speeds periodically to help clear the DPF.
• Consider using a fuel additive designed for DPF cleaning.
Check with the vehicle manufacturer for warranty coverage on emissions-related components.
This code has become more common as vehicles with diesel engines and DPF systems have increased.
High – If not addressed, it can lead to more severe engine issues and increased emissions.
Ignoring this code can lead to failing emissions tests and potential fines.
• Engine running at normal operating temperature
• Vehicle driven at a consistent speed
The DPF is located in the exhaust system, typically under the vehicle, on the side corresponding to Bank 2.
Q: Can I drive with a P24A3 code?
A: It's not recommended to drive for extended periods with this code, as it can lead to further engine damage.
Q: How often should the DPF be cleaned?
A: The DPF should be cleaned or regenerated as needed, typically every 100,000 miles, but this can vary based on driving conditions.
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