Misfire only cylinder 2 and 6 when you go above 4,000 RPMs and under load.
Jul 24, 2022 at 6:05 PM
Why are cylinders two and six misfiring under load?
2009 AUDI A5
SAMUELHDZ98
- MEMBER
- 1 POST
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BORIS K
- ✓ASE Certified Mechanic
- 836 POSTS
Hello,
Are you using a diagnostic tool to check the misfire counters?
Have you tried replacing spark plugs and swapping ignition coils from okay cylinders, say 1+4, and then see if the misfire moves to the other cylinders?
See cylinder layout at bottom.
Also look at below link.
https://www.2carpros.com/articles/engine-misfires-or-runs-rough
Cheers, Boris
Are you using a diagnostic tool to check the misfire counters?
Have you tried replacing spark plugs and swapping ignition coils from okay cylinders, say 1+4, and then see if the misfire moves to the other cylinders?
See cylinder layout at bottom.
Also look at below link.
https://www.2carpros.com/articles/engine-misfires-or-runs-rough
Cheers, Boris
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Jul 25, 2022 at 7:23 AM
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