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1998 Mercury Mountaineer 4.0L Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on
The truck sat for 2 years after it was hit in the D/S front then it was fixed and it was running bad and not wanting to idle the body shop replaced the spark plugs and wires. I then got the truck it had mis fire code for every cylinder and the Po171 and P0174,...
FIX posted 12/10/2005
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Message Closed w/FIX
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14 Replies Received
14 Replies Received
Related Documents & Media | VIN | 4M2ZU54E4W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cold, Hot, Idle |
Trouble Codes
| P0156 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction |
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
| P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
Message Closed w/FIX
Vehicle Data
1998 Mercury Mountaineer
| VIN | 4M2ZU54E4W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cold, Hot, Idle |
Trouble Codes
| P0156 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction |
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
| P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
Video