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2008 Ford F-150 Lariat 5.4L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Ford Driveability on 7/14/2020 10 Replies

We have a problem child here that we're stuck on. This truck came in for a safety & emissions test and passed both (OBD2 emissions). We noticed timing chain noise at idle & suggest a new timing kit, customer said go ahead. replaced components along with ne...

10 Replies Received (View Replies)

  Related Documents & Media  2008 Ford F-150 Lariat

 
Message Closed w/FIX

car Vehicle Data

2008 Ford F-150 Lariat

VIN 1FTPW14V48
Engine5.4 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0345Crankshaft Position Sensor 1 Circuit Malfunction
P0349Crankshaft Position Sensor 1 Circuit Intermittent
P2271Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich
P2273Heated Oxygen Sensor (Bank 2 Sensor 2) Signal Stuck Rich
Message Closed w/FIX

car Vehicle Data

2008 Ford F-150 Lariat

VIN 1FTPW14V48
Engine5.4 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0345Crankshaft Position Sensor 1 Circuit Malfunction
P0349Crankshaft Position Sensor 1 Circuit Intermittent
P2271Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich
P2273Heated Oxygen Sensor (Bank 2 Sensor 2) Signal Stuck Rich