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How to repair system too rich error code in direct injection engines

Unknown Author
October 30, 2025
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How to deal with system too rich error code

The system too rich shows that the engine is receiving more fuel than air

What you should check

-Check spark plugs to make sure they are in pristine condition

Next step,run a diagnostic test and make sure the ignition coils are not misfiring

Most critical part

-On the live data,check the total misfire counts for each cylinder and make sure there are 0 misfires on each cylinder,If the diagnosis tool live data indicates some misfires,check / clean your fuel injectors,replace if necessary to solve the issue,this will enable the injector to inject effectively and correctly hence solving the issue

Tags

Maintenance

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