
1998 Ford Expedition Eddie Bauer 5.4L Poor Idle Quality
The vehicle came in with a "Check Engine" light on. Old friends of the Bosses'. This code was a, "Lean B1S1". The boss talks the person into buying plugs and boots and we'll install them. No other complaints at this time,(Very Important Later). The following M...
FIX posted 2/8/2012
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Message Closed w/FIX
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VIN | 1FMPU18L1W |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Hot, Idle |
Trouble Codes
P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
P1151 | Fuel Rail Pressure - Maximum Positive Deviation |
Message Closed w/FIX
Vehicle Data
1998 Ford Expedition Eddie Bauer
VIN | 1FMPU18L1W |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Hot, Idle |
Trouble Codes
P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage |
P1131 | Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction |
P1151 | Fuel Rail Pressure - Maximum Positive Deviation |