Perhaps it was a P0401, insufficient EGR flow. ... Other P0400-P0408 codes may be set because of an inoperative EGR valve, sensor or possible wiring fault.

SERVICE TIPS: DURAMAX EGR VALVE/DPF Two critical elements that need to be checked out at 100,000 miles are the EGR valve and the DPF. Hasten says to run a computerized flow test on the DPF filter ...

Perhaps it was a P0401 (insufficient EGR flow)? ... Other P0400-P0408 codes may be set due to an inoperative EGR valve, sensor or possible wiring fault.

Perhaps it was a P0401 (insufficient EGR flow)? ... Other P0400-P0408 codes may be set due to an inoperative EGR valve, sensor or possible wiring fault.

Perhaps it was a P0401 (insufficient EGR flow)? ... Other P0400-P0408 codes may be set due to an inoperative EGR valve, sensor or possible wiring fault.

Perhaps it was a P0401, insufficient EGR flow. ... Other P0400-P0408 codes may be set because of an inoperative EGR valve, sensor or possible wiring fault.

Q: I took my car to my mechanic for the check engine light being on. He checked the codes and said it’s an “EGR fault” He said it would be a couple of days before he could get to it. He said ...

Volvo developed Precision Flow exhaust-gas recirculation (EGR) to improve fuel economy by 3 percent even as they met EPA's 2007 emissions standards for on-road diesel engines. Volvo developed ...

Question: I took my car to my mechanic, because the check-engine light was on. He checked the codes and said it’s an “EGR fault” He said it would be a couple of days before he could get to it.

Q: I took my car to my mechanic for the check engine light being on. He checked the codes and said it’s an “EGR fault” He said it would be a couple of days before he could get to it. He said ...