
2000 Ford F-150 XL 4.2L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on, rich exh.
Hi gang,this sucka is running "RICH"!Customers complaint was;ck. eng. light has come-on+running rough,Pulled codes=po172+po175=both banks "system too rich. So i did the usual ck. of live data/ freeze-frame etc, power balance/compr. tests=o.k. , did fuel pressu...
FIX posted 1/31/2005
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)11 Replies Received(Hide Replies)11 Replies Received
|
Message Closed w/FIX
|
VIN | 1FTZF1824Y |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / f.i. dist-less |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Poor Fuel Economy, MIL Lamp on, Rich Exh. |
Occurs | Always |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |
P0175 | Fuel System Too Lean (Bank 2) |
P0401 | EGR System Insufficient Flow Detected |
P0402 | Excessive EGR System Excessive Flow Detected |
Message Closed w/FIX
Vehicle Data
2000 Ford F-150 XL
VIN | 1FTZF1824Y |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / f.i. dist-less |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Poor Fuel Economy, MIL Lamp on, Rich Exh. |
Occurs | Always |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |
P0175 | Fuel System Too Lean (Bank 2) |
P0401 | EGR System Insufficient Flow Detected |
P0402 | Excessive EGR System Excessive Flow Detected |