Emissions code · New York City area
P0420 repair cost in New York
P0420 means catalytic converter not working well (bank 1). In the New York City area, the most common fix, catalytic converter replacement, has a typical range of $390 to $1,875. Usually yes, for now.
How this range is built
| Part of the job | Low | High |
|---|---|---|
| Parts | $250 | $1,400 |
| Labor: 1.2 to 2.5 hours × $120 to $165 an hour | $144 | $413 |
| Fees: shop supplies, disposal, diagnostics | $0 | $40 |
| Total, rounded | $390 | $1,875 |
The hourly rate is the BLS Occupational Employment and Wage Statistics, May 2025 average pay for this trade in New York, $29.72 an hour, times 4 to 5.5 to cover what a shop bills (overhead, tools, insurance, profit). Parts are a band from budget aftermarket to the manufacturer part. Full method.
Not a repair shop, estimates only. Typical range, estimate. Not a quote. Your car, parts and shop change the number.
Why New York is different
The parts cost about the same everywhere. The labor rate is what changes. Auto technicians in the New York City area earn an average of $29.72 an hour, so a shop there bills roughly $120 to $165 an hour. That moves this repair's total, and the range above already includes it.
Same repair in other areas
| Area | Typical range, estimate |
|---|---|
| Boston area, Massachusetts | $400 to $1,900 |
| Los Angeles area, California | $390 to $1,875 |
| Chicago area, Illinois | $380 to $1,850 |
| Houston area, Texas | $370 to $1,825 |
| Dallas-Fort Worth area, Texas | $370 to $1,825 |
| Phoenix area, Arizona | $380 to $1,825 |
| Atlanta area, Georgia | $380 to $1,850 |
| Miami area, Florida | $370 to $1,825 |
| Seattle area, Washington | $400 to $1,875 |
What the code means, causes and what to check first are on the P0420 page.
Not a repair shop, estimates only. Typical range, estimate. Prices updated October 2026.