96' 300 fuel PSI testing
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Senior User
Joined: Sep 2002
Posts: 181
Likes: 0
From: Gananoque, Ontario
96' 300 fuel PSI testing
Hey guys,
I have thrown a P0171 code and am trying to test the fuel system presure. how do i go the about doing this?
Readers Report
Thanks for the Help!
Joe
I have thrown a P0171 code and am trying to test the fuel system presure. how do i go the about doing this?
Readers Report
Date: 9-27-2006
Year: 1996
Make: Ford
Model: F150 XL
Engine: 4.9L
VIN: 2FTEF15Y7TCA29XXX
License: XXX XXX
Mileage: 109 844.4 miles
Stored:
P0171 System Too Lean (Bank 1)
MIL ON
MisFire Monitor Complete
Fuel System Monitor Complete
Comprehensive Component Monitor Complete
Catalyst Monitor Complete
Heated Catalyst Monitor Not Supported
Evaporative System Monitor Not Supported
Secondary Air System Monitor Complete
A/C System Refrigerant Monitor Not Supported
Oxygen Sensor Monitor Complete
Oxygen Sensor Heater Monitor Complete
EGR System Monitor Complete
DTC For Which Freeze Frame Was Stored P0171
Fuel System 1 Status Closed Loop
Fuel System 2 Status Not Supported
Calculated LOAD Value 34.12 %
Engine Coolant Temperature 194.0 °F
Short Term Fuel Trim - Bank 1 -3.13 %
Long Term Fuel Trim - Bank 1 -0.78 %
Short Term Fuel Trim - Bank 2 -0.78 %
Long Term Fuel Trim - Bank 2 -1.56 %
Engine RPM 1566.25 rpm
Vehicle Speed Sensor 47.5 mph
Gasoline Used:
87 Octane
Transmission Type:
Manual
Previous Repairs:
@108447.3miles Oil Change
@109430.3miles Plugs, Rotor, Cap, Wires, Fuel Filter, Air Filter
Year: 1996
Make: Ford
Model: F150 XL
Engine: 4.9L
VIN: 2FTEF15Y7TCA29XXX
License: XXX XXX
Mileage: 109 844.4 miles
Stored:
P0171 System Too Lean (Bank 1)
MIL ON
MisFire Monitor Complete
Fuel System Monitor Complete
Comprehensive Component Monitor Complete
Catalyst Monitor Complete
Heated Catalyst Monitor Not Supported
Evaporative System Monitor Not Supported
Secondary Air System Monitor Complete
A/C System Refrigerant Monitor Not Supported
Oxygen Sensor Monitor Complete
Oxygen Sensor Heater Monitor Complete
EGR System Monitor Complete
DTC For Which Freeze Frame Was Stored P0171
Fuel System 1 Status Closed Loop
Fuel System 2 Status Not Supported
Calculated LOAD Value 34.12 %
Engine Coolant Temperature 194.0 °F
Short Term Fuel Trim - Bank 1 -3.13 %
Long Term Fuel Trim - Bank 1 -0.78 %
Short Term Fuel Trim - Bank 2 -0.78 %
Long Term Fuel Trim - Bank 2 -1.56 %
Engine RPM 1566.25 rpm
Vehicle Speed Sensor 47.5 mph
Gasoline Used:
87 Octane
Transmission Type:
Manual
Previous Repairs:
@108447.3miles Oil Change
@109430.3miles Plugs, Rotor, Cap, Wires, Fuel Filter, Air Filter
Joe
Senior User
Joined: Nov 2005
Posts: 457
Likes: 0
From: Lathrop, MO
I doubt it's your fuel pressure. If it was you should be getting the lean codes for both O2's not just bank 1. Accually, since your EEC-V/OBD-II I think you have a total of 3 HEGO's.
My initial suspisions are either partially clogged injectors and/or fouling on the suspect HEGO.
My initial suspisions are either partially clogged injectors and/or fouling on the suspect HEGO.
