
1999 Ford Expedition Eddie Bauer 5.4L Poor Idle Quality
Customer complaint is engine shakes at idle check engine light on, found codes PO156 B2S2 fault, P1151 B2S1 indicates lean. thought no brainer lean Ford probably PCV elbows, not the case. Fuel trims at idle -12 both banks, bank 1 O2 staying at 0-50, bank 2 swi...
Summary posted 10/16/2014
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Message Closed w/Summary
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VIN | 1FMPU18L4X |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Idle |
Trouble Codes
P0156 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction |
P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
Message Closed w/Summary
Vehicle Data
1999 Ford Expedition Eddie Bauer
VIN | 1FMPU18L4X |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Idle |
Trouble Codes
P0156 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction |
P1151 | Fuel Rail Pressure - Maximum Positive Deviation |