Volvo AWD S40-V40 Forum

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How about "code 68, qualifier unknown"? S40-V40 2000

If that's what's showing up (likely, common) it has nothing to do with fuel quality. There's info in a SB in VEN (Volvos intranet SB source) where the cure for that code's listed, gets a new check valve.

Another known code related issue for S/V 40s is cured by a software upgrade through their Vadis cart (typically ECM 13)

I've NEVER heard of a code for bad fuel quality. Suggest that an experienced Volvo tech, not a rookie looks at your car next time.






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New Check engine light/fuel quality code [S40-V40][2000]
posted by  someone claiming to be Steve Bernth  on Mon Dec 17 19:46 CST 2001 >


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