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1999 Toyota 4Runner Limited 3.4L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
Posted to Asian Driveability on 5/5/2005 4 Replies

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...

4 Replies Received (View Replies)

  Related Documents & Media  1999 Toyota 4Runner Limited

 
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car Vehicle Data

1999 Toyota 4Runner Limited

VIN [No VIN Available]
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursIdle, Intermittently
Misc.Calif Emissions

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed

car Vehicle Data

1999 Toyota 4Runner Limited

VIN [No VIN Available]
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursIdle, Intermittently
Misc.Calif Emissions

Trouble Codes

P0171Fuel System Too Lean (Bank 1)