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P0021
This variable cam timing code is fairly common. After review of iATN / tech bulletins and hands on diag the problem was a damaged oil control valve inlet banjo bolt filter that also stuck the actual oil control valve. The symptom other than MIL was a rough / f... Login to read more. 
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| Engine | 2.5 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2005 Subaru Forester XS 2.5L
| Engine | 2.5 L |
| Trans | 4-speed Automatic (Electronic) |
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