
2001 Ford F-150 Lariat 5.4L Poor Idle Quality, Surge, MIL Lamp on
Replace intake manifold for massive coolant leak near cyl 1 at crossover (towed in). Vehicle sets p0171 and p0174 after repairs. Fuel trims are high at idle -AND- cruise. Tested fuel pressure, volume and quality-OK. Customer reports no symptoms prior to coolan...
FIX posted 10/18/2012
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Message Closed w/FIX
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VIN | 1FTRX18L61 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2001 Ford F-150 Lariat
VIN | 1FTRX18L61 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |