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1999 Toyota 4Runner Limited 3.4L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
The truck idles a little rough. The fuel pressure readings at idle are excessive 44psi_=+ AND here's the deal, lt fuel is way off, almost to 40 at idle. when your cruising around, it tends to improve. However, looking at the vac diagram on the hood, which matc...
FIX posted 6/17/2005
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Related Documents & Media | VIN | [No VIN Available] |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Poor Fuel Economy, MIL Lamp On |
| Occurs | Idle, Intermittently |
| Misc. | Calif Emissions |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed
Vehicle Data
1999 Toyota 4Runner Limited
| VIN | [No VIN Available] |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Poor Fuel Economy, MIL Lamp On |
| Occurs | Idle, Intermittently |
| Misc. | Calif Emissions |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
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