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Mercury Cougar hesitation problems

63 of the 1,673 owner complaints about the Mercury Cougar describe hesitation when accelerating, most of them for the 2002 model year.

owner complaints
63
worst model year
2002
typical repair cost reported
$480
typical mileage
73,000
Is there a fix? There is 1 recall for this area of the car. See below

By model year

What owners say

Filed Jul 30, 2020 · Fuel system · 136,000 miles · OR

Tl* the contact owns a 2001 mercury cougar. The contact stated that once the fuel level reached a half tank of gasoline, the vehicle hesitated and loss motive power with the accelerator pedal depressed. The contact stated that the trans axle and check engine warning lights were illuminated. Columbia ford lincoln hyundai (700 7th ave, longview, wa 98632) was notified of the failure. The contact was informed that the vehicle was not subjected to a recall. The manufacturer was contacted and notified of the failure. The vehicle was not repaired. The failure mileage was approximately 136,000.

Filed Jun 10, 2015 · Acceleration, Engine · 92,000 miles · TN

Since purchasing 2002 mercury cougar in january 2010 the vehicle hesitates, surges, and stalls at any rate of speed. Initially the problem was rare, then gradually occurred more frequently. This now happens at least weekly, sometimes several times per day. This issue has endangered me more times than I can currently recall. Replaced alternator, battery, egr valve and sensor, iac valve, and catalytic converter. The issue persists.

Filed Apr 16, 2015 · Engine, Fuel system · 159,000 miles · WV

Car started hesitating and lost power then stalled out causing traffic to get backed up.

Filed Oct 9, 2014 · Fuel system · 29,000 miles · TN

Tl* the contact owns a 2002 mercury cougar. The contact stated that while she driving at 30 MPH, the vehicle hesitated and jerked. The vehicle was taken to an independent mechanic who replaced the fuel pump. However, the failure was not corrected. The manufacturer advised that the vehicle was not included in recall the federal safety agency campaign number 04v421000 (fuel system, gasoline). The approximate failure mileage was 29,000.

Filed Jul 10, 2014 · Fuel system · 151,645 miles · FL

Tl* the contact owns a 2001 mercury cougar. The contact stated that while driving at various speeds, the vehicle suddenly started to hesitate and stalled. The vehicle was not diagnosed or repair. The manufacturer was notified of the failure and the contact was informed that the vehicle was not included in recall the federal safety agency campaign number: 04v421000 (fuel system, gasoline). The failure mileage was 151,645.

Filed Aug 12, 2011 · Fuel system · 140,000 miles · SC

Tl* the contact owns a 2000 mercury cougar. The contact stated that when accelerating at any speed, the vehicle would hesitate and stall without warning. The dealer and manufacturer were notified of the failure and made the contact aware of the federal safety agency campaign id number: 04v421000 (fuel system, gasoline), but advised that the VIN was not included in the recall. The vehicle was not repaired. The failure mileage was 140,000 and the current mileage was 141,000.

Filed Jul 22, 2011 · Fuel system · 116,000 miles · TX

Tl* the contact owns a 2002 mercury cougar. The contact stated that when applying the accelerator, the vehicle would hesitate, lose power and then surge abnormally. The dealer was contacted and advised that there was a recall under the federal safety agency campaign id number: 04v421000 (fuel system, gasoline) but the contacts VIN was not included. The manufacturer was contacted who confirmed that her VIN was not included in the recall list. No further assistance was offered. The vehicle was not repaired. The failure mileage was 116,000.

Filed Jun 24, 2011 · Fuel system · 56,000 miles · NC

Tl* the contact owns a 2002 mercury cougar. The contact stated that the vehicle would hesitate to accelerate from stops and intermittently jerk while shifting gears. The vehicle was taken to an authorized dealer where they were in the process of diagnosing the failure. The contact was also informed that the vehicle was not included in the recall associated with the federal safety agency campaign id number 04v421000 (fuel system, gasoline). The failure mileage was 56,000.

Filed Jan 28, 2011 · Electrical, Fuel system · 98,000 miles · OR

Tl* the contact owns a 2000 mercury cougar. The contact stated that the vehicle failed to start. The battery was replaced and the contact received a jump start before he was able to start the vehicle. The vehicle remained on for a few minutes before stalling. The vehicle was taken to an independent mechanic where the contact was advised that the alternator would need to be replaced. The alternator was replaced. The contact was able to drive the vehicle but found that the headlights were intermittently dimming. The contact was advised by the dealer and manufacturer that the vehicle was not included in the federal safety agency campaign id number: 01v031000 (electrical system: battery: cables). The vehicle was not repaired. In addition, the contact stated that the vehicle would hesitate and that fuel was not traveling to the engine correctly even with a full tank of fuel. The dealer and manufacturer both advised that contact that the vehicle was not included in the federal safety agency campaign id number: 04v421000 (fuel system, gasoline). The vehicle was not repaired. The failure mileage was 98,000 and the current mileage was 100,000.

Filed Dec 1, 2009 · Fuel system · 127,000 miles · WA

Tl*the contact owns a 2002 mercury cougar. He stated that the vehicle began to hesitate and lose power. The failure was identical to the federal safety agency campaign id number: 04v421000; however, the manufacturer informed the contact this his VIN did not apply to the recall. The current and failure mileages were 127,000. Updated 12/30/09 *cn the fuel filter was replaced. Updated 12/30/09

Related recalls

Power train: automatic transmissionReported March 18, 1991 · 6,800 vehicles affected
What is wrong
The park rod assembly contains a park cam with inadequate surface hardness, which could lead to park disengagement or no park engagement when the lever is placed in park.
Risk
If park is not engaged and the parking brake is off, avehicle roll-away could result.
Remedy
Replace park rod assembly on automatic transmissions.

Recall number 91V048000 · Recall details

Questions about the Mercury Cougar hesitation

Which Mercury Cougar years have hesitation when accelerating problems?

The model years with the most reports are 2002 (22 complaints), 1999 (18 complaints) and 2000 (12 complaints).

How much does it cost to fix hesitation when accelerating on the Mercury Cougar?

Owners who mentioned a price put the repair at about $480 (median of 5 complaints that include a dollar amount). Costs vary with mileage, warranty and where the work is done.

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