P0430 on Ford Vehicles
The bank 2 converter on a V6, V8 or split-exhaust engine isn't cleaning the exhaust well enough. P0430 →
15Complaints mentioning the code
#2Rank among 10 brands
0.6%Share of Ford DTC complaints
In NHTSA owner complaints we analyzed for Ford, P0430 was mentioned 15 times.
Notes by brand
Ford V8 trucks and SUVs, notably the 5.4L three-valve in the F-150 and Expedition, are known for broken exhaust manifold studs; the resulting leak ticks at cold start and can skew the downstream O2 reading. On Ford V8s, bank 1 is the passenger side.
Most mentioned models
| Ford Explorer | 4 | |
|---|---|---|
| Ford F-150 SUPER CREW | 4 | |
| Ford F-150 REGULAR CAB | 2 | |
| Ford F-150 SUPERCAB DIESEL | 2 | |
| Ford Expedition El | 1 | |
| Ford F-150 SUPERCAB | 1 |
Model years mentioned
Components named in these complaints
- Engine (9)
- Fuel/propulsion System (5)
- Power Train (2)
- Engine And Engine Cooling (2)
- Fuel System (1)
Often appears together with
P0420
Powertrain
The bank 1 catalytic converter no longer stores enough oxygen to clean the exhaust properly.
Low
P0011
Powertrain
The bank 1 intake cam sits further advanced than the PCM asked for, usually an oil or control…
Moderate
P0016
Powertrain
The bank 1 intake cam and the crankshaft are out of step, most often from a stretched or jumped…
High
P0017
Powertrain
The bank 1 exhaust cam signal doesn't line up with the crankshaft; think chain, exhaust phaser…
Moderate
P0019
Powertrain
The bank 2 exhaust cam signal doesn't match the crankshaft; chain, bank 2 exhaust phaser…
Moderate
P0021
Powertrain
The bank 2 intake cam is more advanced than commanded or slow to respond; compare it with bank…
Moderate
Possible causes
- Bank 2 catalytic converter aged, poisoned or internally damaged
- Exhaust manifold leak on bank 2: cracked manifold, broken studs or blown gasket
- Bank 2 rear O2 sensor slow or contaminated
- Misfire or leaking injector on a bank 2 cylinder that overheated the converter
Related codes
Source: NHTSA Complaints API (US government open data), analyzed by DTC mention.