99 S320 with 85,000 miles. Check engine light is on, it shows Fuel Trim Malfunction, Bank One. i can reset the light problem but it comes back every few days,. How do I correct that issue?

20

Asked by Oct 17, 2015 at 07:00 PM about the 1999 Mercedes-Benz S-Class

Question type: Maintenance & Repair

99 S320 with 85,000 miles.  Check engine light is on, it shows Fuel Trim
Malfunction, Bank One.  i can reset the light problem but it comes back
every few days,. How do I correct that issue?

1 Answer

37,965

Have the codes checked, replace what is necessary.

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