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
- High
- Can I keep driving?
- Yes, but with caution
- Estimated cost
- $80 to $700
- 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
P0194 Fuel Rail Pressure Sensor Circuit Intermittent High
The P0194 code means the signal from the fuel rail pressure (FRP) sensor cuts out or jumps intermittently. The most likely cause is a poor contact in the connector or a damaged wire, more than the sensor itself.