421
Deutz-Fahr 421: Offset Error Between Crankshaft and Camshaft
Issue description
The fault code indicates an offset error between the crankshaft and camshaft, suggesting a misalignment or timing issue in the engine's internal components.
Check the cause
Timing belt or chain
Crankshaft position sensor
Camshaft position sensor
Repair steps
Inspect
Check the timing belt or chain for wear, damage, or misalignment.
Test
Test the crankshaft position sensor and camshaft position sensor for proper function.
Verify
Verify the engine timing alignment according to the manufacturer's specifications.
Parts you might need
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