ecowhale
NC3V Campervan for Sale
2007 Dodge Sprinter 3.0 Diesel with 165,000 miles.
Current Persistent Code: P040D Exhaust Gas Recirculation (EGR) Temperature Sensor A Circuit High.
Chronology of events that lead to current engine light and code P040D: The engine light came on, OBD reader said P0544 exhaust sensor 1. I removed all sensors I could find and reach and cleaned them with brake cleaner. I flushed the DPF with Liqui Moly DPF cleaner and purge. I noticed a lot of smoke for a few minutes. The engine light went out. The OBD smog section suddenly had a lot of previous alarms now as green check marks. For the first time, the OBD showed green checks in all areas. This lasted for about 50 miles, then the engine light came back on for P0544 #1 sensor.
I removed the EGR valve (was stuck; had to skillfully pry up) and cleaned the EGR valve very good. The blades pivot well, looks good. While I was in that area, I removed the sensor on the EGR cooler. It broke off. I cleaned it and JB welded it back on (replacing the cooler is cost and time prohibitive). The P040D EGR temp Sensor A high code remains.
Should I replace the EGR temp sensor? If so, I would have to JB weld it on as I'm not buying a new cooler and additionally paying 1.2k for labor to have it replaced.
Any suggestions?? Thanks
Current Persistent Code: P040D Exhaust Gas Recirculation (EGR) Temperature Sensor A Circuit High.
Chronology of events that lead to current engine light and code P040D: The engine light came on, OBD reader said P0544 exhaust sensor 1. I removed all sensors I could find and reach and cleaned them with brake cleaner. I flushed the DPF with Liqui Moly DPF cleaner and purge. I noticed a lot of smoke for a few minutes. The engine light went out. The OBD smog section suddenly had a lot of previous alarms now as green check marks. For the first time, the OBD showed green checks in all areas. This lasted for about 50 miles, then the engine light came back on for P0544 #1 sensor.
I removed the EGR valve (was stuck; had to skillfully pry up) and cleaned the EGR valve very good. The blades pivot well, looks good. While I was in that area, I removed the sensor on the EGR cooler. It broke off. I cleaned it and JB welded it back on (replacing the cooler is cost and time prohibitive). The P040D EGR temp Sensor A high code remains.
Should I replace the EGR temp sensor? If so, I would have to JB weld it on as I'm not buying a new cooler and additionally paying 1.2k for labor to have it replaced.
Any suggestions?? Thanks