4.0
definitely annoying- Typical Repair Cost:
- $600.00
- Average Mileage:
- 70,500 miles
- Total Complaints:
- 2 complaints
Most Common Solutions:
- replace catalytic converter (2 reports)
exhaust system problem
Helpful websites
- No one has added a helpful site for this 2004 Grand Marquis problem yet. Be the first!
A D V E R T I S E M E N T S
This is a great car, but this is a known problem with both this and the Crown Vics. Internals on the cat are coming apart and rattling. Have not replaced them yet, but they will be replaced with some magnaflow catalytic converters.
- Mark J., West Seneca, NY, USA