S60 and XC60 turbo petrol. Strong and responsive, the timing chain and turbo hold up well with on-time oil changes.
Click a code for the full breakdown: symptoms, causes, and whether you can keep driving.
Random/Multiple Cylinder Misfire Detected
The engine control unit detects misfires occurring randomly across multiple cylinders, meaning combustion is failing intermittently in more than one cylinder.
Camshaft Position Timing Over-Advanced (Bank 1)
The intake camshaft timing is more advanced than commanded - the variable valve timing system is not responding correctly.
Crankshaft/Camshaft Position Correlation (Bank 1 Sensor A)
The crankshaft and camshaft positions do not match what the ECU expects - the mechanical timing may be off.
System Too Lean (Bank 1)
The engine is getting too much air or too little fuel on bank 1 - the ECU has hit the limit of its ability to compensate.
Turbocharger Overboost Condition
Boost pressure exceeded the safe limit - the wastegate or boost control is not relieving pressure.
Catalyst System Efficiency Below Threshold (Bank 1)
The downstream oxygen sensor shows the catalytic converter on bank 1 is no longer cleaning exhaust gases efficiently.
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