Powertrain
generic / SAE
P0068
MAP/MAF - Throttle Position Correlation
The ECU detects implausibility between throttle position and the airflow or intake manifold pressure measured. At a given throttle angle the air mass deviates beyond rationality limits.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 68
Possible causes
- Large unmetered vacuum leak high
- Throttle body dirty or sticking medium
- MAF sensor drift medium
Symptoms
- Check engine light on
- Power loss, hesitation under acceleration
- Rough or unstable idle
- Increased fuel consumption
- Possible difficulty starting
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–500 €
- Estimated time: 0.5–3 h
- Component: throttle position sensor
- Component: mass air flow sensor
- Component: manifold absolute pressure sensor
- Component: intake manifold
- Component: throttle body
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012