P200F code meaning
Catalyst System Over Temperature (Bank 2)
Powertrain system Generic code P20xx codes Check engine light
What P200F means
P200F flags excessive temperature in the catalyst of bank 2, so it needs an engine whose second bank feeds its own catalyst with its own temperature sensor. No manufacturer documents P200F publicly; GM and Ford describe only the bank 1 code P200E for their single-path diesels, with limits around 800 to 850 °C behind the oxidation catalyst or a link to a stationary regeneration that runs hot. A twin-path system would apply such a limit per side. Overheating confined to one bank usually has a cause on that bank: an injector dribbling fuel, misfire on those cylinders, or a sensor reading too high. Comparing both banks helps: if only bank 2 is hot, look at its cylinders and sensor first. CARB treats such temperature records as protection, not as proof that the catalyst still converts, so efficiency is monitored separately.
P200F at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyHard
- Typical labor1 to 5 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P200F
- Malfunction indicator lamp on
- Possible power reduction
Common causes of P200F
- Most likelyFuel slipping into the bank 2 exhaust (dribbling injector, misfire)
- PossibleBank 2 exhaust temperature sensor reading too high
- Less likelyRegeneration overheating on bank 2
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Catalytic converterExhaust temperature sensor
What each part of P200F means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 0 | Area: fuel and air metering and auxiliary emission controls. |
| 0F | The exact fault in that area. |
What to do next
- Note P200F and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P200F
What does P200F mean?
P200F means "Catalyst System Over Temperature (Bank 2)". P200F flags excessive temperature in the catalyst of bank 2, so it needs an engine whose second bank feeds its own catalyst with its own temperature sensor. It is a generic code, so it means the same on every make.
Is it safe to drive with P200F?
Drive gently and only to a workshop. With P200F the car can go into limp mode (reduced power) to protect itself.
Will P200F fail an emissions test?
Yes, it can. P200F is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P200F to fix?
Difficulty: hard. A typical repair takes 1 to 5 hours of work. This is a job for a workshop.
Will P200F clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.