
2003 Lincoln Navigator 5.4L Poor Idle Quality, Misfire, MIL Lamp on
HI Y'ALL!! THis truck is a real headache!! Original complaint was misfire on accel! Found misfire events on mode 6 cyl #3 had about 1800 misfires in memory! OK replaced all spark plugs and cyl #3 coil! There were no codes at that time! Later found vacuum leak ...
Summary posted 9/3/2009
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Message Closed w/Summary
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VIN | 5LMFU28R73 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0308 | Cylinder 8 Misfire Detected |
P0316 | Misfire Detected On Startup (Within the 1st 1000 Revolutions) |
P0401 | EGR System Insufficient Flow Detected |
P0402 | Excessive EGR System Excessive Flow Detected |
Message Closed w/Summary
Vehicle Data
2003 Lincoln Navigator
VIN | 5LMFU28R73 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0308 | Cylinder 8 Misfire Detected |
P0316 | Misfire Detected On Startup (Within the 1st 1000 Revolutions) |
P0401 | EGR System Insufficient Flow Detected |
P0402 | Excessive EGR System Excessive Flow Detected |