garajizOBD-II code · manufacturer-specific
P1093
Pre-Catalyst Fuel Trim Too Rich Bank 2
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1093 mean?
P1093 is defined as “Pre-Catalyst Fuel Trim Too Rich Bank 2”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- BMW: Pre-Catalyst Fuel Trim Too Rich Bank 2
- Subaru: Tumble Generator Valve #2 LH Malfunction Stuck Close
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This page is general information; an exact diagnosis needs measurements and a technician’s check.