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1999 Ford F-150 4.2L Poor Idle Quality, Stall, MIL Lamp on
Hello and thank you inadvance. I Teach a high school auto
class and one of the students has a 1999 F 150 4.2l,
[...] has the follwing codes P0171 and P0174 lean
exhaust on both banks and a unstable idle after a hot soak
restart.
FIX posted 2/15/2009
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Message Closed w/FIX
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38 Replies Received
38 Replies Received
Related Documents & Media | VIN | 1FTZS1725X |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Stall, MIL Lamp On |
| Occurs | Hot, After a Hot Soak |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
1999 Ford F-150
| VIN | 1FTZS1725X |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Stall, MIL Lamp On |
| Occurs | Hot, After a Hot Soak |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video