XC90 L5-2.5L Turbo VIN 59 B5254T2 (2004)
Valve: All Technical Service Bulletins
Engine - Runs Rough/MIL ON/Misfire DTC's/Low Power
MODEL/CHASSIS: See Table Below
Engine may have a rough idle, DTC ECM misfire codes, rough running or lack of power.
This tech note supersedes the previous 21-21 dated 7-29-05. Please update your files. Update to LABOR OPS - correction is shown with bold text.
Affected Vehicles Table
The Customer may have a complaint of a rough idle, rough running, lack of power or the MIL on.
Read out DTC's
Check compression and do a leak down test with the engine cold.
Check valve clearance on the cylinders with low compression.
Remove the cylinder head and check the condition of the valve face.
If the valve face is worn, replace ALL the intake valves, even if some look okay.
Use ONLY intake valves with P/N 30637059.