
1999 Mercury Mountaineer 4.0L Poor Idle Quality, Hesitation, Surge, Misfire
Hello everyone. Have this mountaineer Im trying to sort out for our alignment man here at the shop. He put all parts listed on it and still not fixed. He says very intermittently while driving at 30 or above the power just drops off and misfires and sputters t...
Summary posted 3/28/2013
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)27 Replies Received(Hide Replies)27 Replies Received
|
Message Closed w/Summary
|
VIN | 4M2ZU54E4X |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Hesitation, Surge, Misfire |
Occurs | Hot, Cruise, Idle, Intermittently |
Misc. | Awd |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/Summary
Vehicle Data
1999 Mercury Mountaineer
VIN | 4M2ZU54E4X |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Hesitation, Surge, Misfire |
Occurs | Hot, Cruise, Idle, Intermittently |
Misc. | Awd |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |