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o2 sensor
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  1. 4.2 Faults & Fixes
    2003 RAV 4.2 4x4: I've recently been going through a frustrating diagnostic to clear a CEL with codes P0136 (Bank 1 Sensor 2) and P0156 (Bank 2 Sensor 2) Sensor Circuit Malfunction. Recently purchased with 150k miles and had codes P0172 and P0175 which went away after replacing PCV valve and...
  2. 4.2 Faults & Fixes
    Hello forum, Long time lurker, first time poster. Over the past year I have been catching up on maintenance and replacing many parts in my 2005 Rav4 Sport 4WD (189k miles, going for 300k.) My MPG seems to hover around 20 mpg no matter what I do or how I drive. When replacing the oxygen...
  3. 4.3 Mechanical
    Bank 1, Sensor 1 is on the firewall side just off the block. My arm doesn't have enough joints to reach it from the bottom and the top looks totally blocked. What is the best way to reach this sensor? Take off the Manifold?
  4. 4.2 Faults & Fixes
    OK so I've been trying to get this issue on my girlfriends car fixed for months, 2002 rav4, and have lots of points I think could be hints, but have not figured it out myself. Any help would be SUPER appreciated, I'd literally pay some money at this point just to get an idea here, I'm that...
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