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 $250
- 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
P0109 Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent Medium
The P0109 code means the MAP sensor signal cuts out or jumps intermittently. The most likely cause is a loose connection in the connector or a damaged wire, rather than the sensor itself.