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1998 Ford Expedition Eddie Bauer 5.4L Poor Idle Quality
Posted to Ford Driveability on 2/7/2012 22 Replies

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...

22 Replies Received (View Replies)

  Related Documents & Media  1998 Ford Expedition Eddie Bauer

 
Message Closed w/FIX

car Vehicle Data

1998 Ford Expedition Eddie Bauer

VIN 1FMPU18L1W
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursHot, Idle

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
P1151Fuel Rail Pressure - Maximum Positive Deviation
Message Closed w/FIX

car Vehicle Data

1998 Ford Expedition Eddie Bauer

VIN 1FMPU18L1W
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursHot, Idle

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
P1151Fuel Rail Pressure - Maximum Positive Deviation