MIL ON WITH DTC P0191 - FUEL RAIL PRESSURE SENSOR CIRCUIT PERFORMANCE.
full bulletin at NHTSA ↗2006 Mercury Montego fuel system problems
severe 4 complaints filed with NHTSA · avg repair $1,200 · see fuel system across all vehicles →
Complaints
4
Recalls
0
Avg fix
$1,200
1crash
When does it fail?
Of the 4 fuel system complaints filed for the 2006 Mercury Montego, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA fuel system complaint has been filed on this vehicle in over 16 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering fuel system on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
Clip holding fuel filter hose to the fuel filter failed allowing the hose to come loose and leak fuel under pressure. The car had only been driven 4 blocks so the exhaust system was still cool. Had the exhaust system been hot and the failure occurred at high speed a fire would most likely have occurred. The fuel filter had not been changed, as confirmed by my service records, making it the filter…
Had fuel system trouble with your 2006 Mercury Montego?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the fuel system problem on the 2006 Mercury Montego?
It's a meaningful issue. 4 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,200.
At what mileage does the fuel system typically fail?
Based on the 4 complaints filed, fuel system issues most often appear around 69,679 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $1,200 for fuel system repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to fuel system?
No active recalls currently cover fuel system issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2006/Mercury/Montego.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.