Error code
OBD2 P2193
OBD2P2193
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
System Too Lean at Higher Load.
Severity
moderateCan drive, but performance issues may occur.
Summary
P2193 indicates that the fuel mixture is too lean at higher load conditions in bank 2 of the engine.
Symptoms
- Poor engine performance
- Misfiring
- Poor fuel economy
Common Causes
- Vacuum leaks due to loose or broken vacuum hoses and intake gasket cracks.
- Contaminated mass air flow (MAF) sensor.
Diagnosis
- Check for vacuum leaks using a mechanic’s stethoscope or brake cleaner.
- Inspect the MAF sensor for contamination and clean if possible.
- Verify fuel pressure with a gauge during high-load conditions.
Fixes
- Repair vacuum leaks, replace contaminated MAF sensor, or address fuel system issues as needed.
FAQ
What does P2193 mean?
P2193 indicates a lean air-to-fuel ratio in bank 2 of the engine during high load conditions.
How do I fix P2193?
Fixing P2193 involves identifying and repairing vacuum leaks, cleaning or replacing the MAF sensor, and ensuring proper fuel pressure.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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