VOLVO
ECM-02FA - Diesel Intake Air Flow Position Sensor Minimum/Maximum Stop Performance
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
4 modelsC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Show models by year and engine (5)
- Volvo C30 (2007–2013)2008–2010Engine D4204T only · Transmission MMT6, MPS6 only
- Volvo C70 (2006–2013)2008Engine D4204T only
- Volvo C70 (2006–2013)2009–2010Engine D4204T only · Transmission MMT6, MPS6 only
- Volvo S40 (2004–2013)2008–2010Engine D4204T only · Transmission MMT6, MPS6 only
- Volvo V50 (2004–2013)2008–2010Engine D4204T only · Transmission MMT6, MPS6 only
What does this fault code mean?
Although the code is named position sensor for intake air flow, it concerns the function of the EGR valve. The engine control module carries out an adaptation of the EGR valve when needed and logs a fault when the adaptation value falls outside a predefined range. Causes are a signal wire shorted to ground, or a damaged position sensor or EGR valve.
Possible causes
- Signal wire shorted to ground
- Damaged position sensor
- Damaged EGR valve
What you can do
- 1Read the fault code, clear it and road test to see whether it returns
- 2With the connector unplugged, use a multimeter to check that the signal wire to the EGR valve position sensor has no connection to ground (the body)
- 3Follow the wire from the EGR valve and look for chafing, pinched sections and loose clips
- 4If you have a diagnostic tool, read the EGR valve position in live data with the engine running and see whether it follows as the engine revs
- 5If the fault returns, have a workshop with diagnostic equipment decide whether the EGR valve or the position sensor should be replaced
Symptoms you may notice1
- No noticeable symptoms for the driver
What the fault can affect1
- No exhaust gas recirculation (EGR) control
General guidance for car owners. Diagnosis on the car can point to a different cause.