Recent content by Yung_Ji

  1. Y

    P0171 - System Too Lean (Bank 1) After MAF CLeaning

    Quick update guys, Went to a mechanic to get it smoke tested for vacuum leaks and we were not able to find any. My Denso MAF Sensor arrived and I replaced it and reset the ECU. I took it for about a 30 mile drive mostly freeway to recreate the high RPM acceleration scenario which triggered the...
  2. Y

    P0171 - System Too Lean (Bank 1) After MAF CLeaning

    Interesting, I never heard about this key sequence thing on the 3rd Gens… Anyone else know anything about this?
  3. Y

    P0171 - System Too Lean (Bank 1) After MAF CLeaning

    Did it not work when you disconnected the battery for only 15 minutes? Only when you disconnected it overnight??
  4. Y

    P0171 - System Too Lean (Bank 1) After MAF CLeaning

    Just ordered Denso MAF Sensor, and I will take a look for leaks in that area! Did you get it smoke tested or just used a carbon cleaner spray??
  5. Y

    P0171 - System Too Lean (Bank 1) After MAF CLeaning

    Thanks for your input, it seems like during the MAF Sensor cleaning & Throttle Body Cleaning, residue got in the MAF Sensor or a vacuum leak happened somewhere. Before going Fuel Filter + Fuel Pressure Regulator, I will get a new OEM MAF Sensor and check thoroughly for vacuum leaks. I'm also...
  6. Y

    P0171 - System Too Lean (Bank 1) After MAF CLeaning

    Thanks for the reply! Seems like you did indeed have a very similar issue. Do you happen to remember the place where the vacuum leak was? Or the part number for the hose you replaced?
  7. Y

    P0171 - System Too Lean (Bank 1) After MAF CLeaning

    Hey Guys! Hope your week is going well. Recently, I cleaned my MAF Sensor and Throttle Body as a preventative measure on my 2002 4Runner with \~148K miles (California). Before I did, I have never had a CEL on. The truck ran well but 3 days after, while I was accelerating on to a freeway that is...
  8. Y

    Hello from toronto

    Welcome :)
  9. Y

    2000 Limited T4R

    Post some pics :)
  10. Y

    A Newb with a 4th Gen

    Hello and Welcome :)
  11. Y

    Hello from Lower Alabama

    Welcome :)
  12. Y

    Hey, new member from Norcal

    Watch out for fires! Welcome
  13. Y

    hello from australia

    Tough looking rig! Nice :)
  14. Y

    New guy

    Welcome :)
  15. Y

    1999 Limited 4 Runner

    Welcome :)

Members online

Forum statistics

Threads
278,315
Messages
3,554,104
Members
248,016
Latest member
Advally Service
Back
Top