× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2006 Toyota Sienna LE 3.3L MIL Lamp on
Posted to Asian Driveability on 9/22/2008 7 Replies

This vehicle has been in several times for ck engine light with codes po174, po171. We have smoke tested for vacuum leaks---none found. Checked fuel pressure--ok. Replaced bank 2 a/f ratio sensor per service bulletin. Replaced MAF. Vehicle still sets codes int...

7 Replies Received (View Replies)

  Related Documents & Media  2006 Toyota Sienna LE

 
Message Closed w/Summary

car Vehicle Data

2006 Toyota Sienna LE

VIN 5TDZA23CX6
Engine3.3 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / sfi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/Summary

car Vehicle Data

2006 Toyota Sienna LE

VIN 5TDZA23CX6
Engine3.3 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / sfi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)