Multi-code OBD2 diagnosis
Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.
Summary
- Overall severity
- Low
- Can I keep driving?
- Yes, no immediate risk
- Estimated cost
- $40 to $150
- Codes analyzed
- 1 of 1
The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.
Order of inspection
P1400 EGR DPFE Sensor Circuit Low Signal (Ford) Low
On Ford, Lincoln and Mercury, the P1400 code means the EGR DPFE sensor circuit has a low signal. There are normally no symptoms, though sometimes you hear pinging under load. On other brands the number means something else.