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2001 Ford F-150 Lariat 5.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
Posted to Ford Driveability on 1/16/2016 9 Replies

I just wanted to share this fix with everyone on here as I used a lot of information to successfully diagnose this problem today and I am fairly new to iatn. I got this truck in a few days ago, customer dropped it off complaining about the truck running horrib...

9 Replies Received (View Replies)

  Related Documents & Media  2001 Ford F-150 Lariat

 
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car Vehicle Data

2001 Ford F-150 Lariat

VIN 1FTRX18L81
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0136Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0301Cylinder 1 Misfire Detected
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
P1151Fuel Rail Pressure - Maximum Positive Deviation
Message Closed

car Vehicle Data

2001 Ford F-150 Lariat

VIN 1FTRX18L81
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Stall, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0136Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0301Cylinder 1 Misfire Detected
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
P1151Fuel Rail Pressure - Maximum Positive Deviation