
1999 Ford Ranger XL 3.0L Poor Idle Quality
found intermittent rough idle and intermittent hesitation while driving. found code p0171 lean bank 1 (hard) and p0172 lean bank 2 (pending). codes return after a few weeks. 02 sensor waveforms look ok (bank 1 looks a little slower). MAF waveform looks good. P...
Summary posted 4/26/2006
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Message Closed w/Summary
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VIN | 1FTYR14V7X |
Engine | 3.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Idle, Intermittently |
Misc. | Super Cab 4X2 |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0172 | Fuel System Too Rich (Bank 1) |
Message Closed w/Summary
Vehicle Data
1999 Ford Ranger XL
VIN | 1FTYR14V7X |
Engine | 3.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Idle, Intermittently |
Misc. | Super Cab 4X2 |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0172 | Fuel System Too Rich (Bank 1) |