Solved How Do I Fix Error Code 3543 For 1999 Volvo S80 Car And Truck

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How do I fix error code 3543 for 1999 Volvo S80 2.8L engine?

Check the coil in the number 4 cylinder or the spark plug . I’m assuming your using the ECM codes for Volvo not the OBDII codes . The code suggests a misfire on the number 4 cylinder. Hope this helps