2012 Ford F-150 · Repair Cost Breakdown
The case
“Sulfur smell from the exhaust, especially under acceleration. CEL came on with P0420 code.”
What it turned out to be
Catalytic converter efficiency below threshold. Replaced both bank cats (V8). Fixed underlying lean condition first.
The repair bill
Total
$1,880
$1,880
Parts
$1,280
$1,280
Labor
$600
$600
Did you know?
Always fix the cause (lean fuel mix, misfire, bad O2 sensor) before replacing cats — otherwise the new cats fail in months.
🛠 Tools & parts for this kind of repair
- → O2 sensor on Amazon
- → F150 catalytic converter set on Amazon
- → O2 sensor socket on Amazon
- → Catalytic converter cleaner on Amazon
As an Amazon Associate this site earns from qualifying purchases.
Could you have guessed it?
Test yourself on today’s repair puzzle.