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
- Medium
- Can I keep driving?
- Yes, but with caution
- Estimated cost
- $30 to $300
- 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
P0387 Crankshaft Position Sensor B Circuit Low Medium
The P0387 code means the signal from crankshaft position sensor B has dropped below its minimum value. It usually points to a signal wire shorted to ground or a sensor with no supply. It can cause hard starting, stumbling or an engine that stalls.