Diesel Particulate Filter Efficiency Below Threshold Bank 1
Table of contents
P2002 ISUZU Possible Causes
- Faulty, damaged or clogged Diesel Particulate Filter (DPF)
- Dirty air cleaner element
How do I fix code P2002 ISUZU?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- To resolve this you will have to change the Diesel Particulate Filter and reset the code with an OBD scanner.
Cost of diagnosing the P2002 ISUZU code
The cost of diagnosing the P2002 ISUZU code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P2002 ISUZU Description
The Diesel Particulate Filter (DPF) is monitored for conditions where it may be overloaded. The monitor compares the calculated restriction of the DPF to two thresholds. By exceeding the first threshold for a sufficient period of time, a wrench light will be illuminated. By exceeding the second threshold for a sufficient period of time, a wrench light and a MIL will be illuminated and engine output will be limited and EGR is disabled.