Feb 11, 2016 · A code P0172 is bank 1 rich...NOT LEAN. Your trying to throw parts at this for the wrong issue, no wonder it's not working. What you really need to find out is if both banks are …

Feb 11, 2016 · Rats. 300K miles and this happens. I took it to my local smog station and they read the code as P0172 (he said engine running lean, though some code translations say engine …

Jun 15, 2013 · Codes P0172 P0175 and the good times that come with them Jump to Latest 8.3K views 1 reply 2 participants last post by dirtydeeds Jun 15, 2013 N

May 12, 2012 · The P0172 and P0175 are system running rich codes. Check your air filter for any clogs or debris in the air box. You'll have to pull the air filter out and check underneath in to …

5. Nov/Dec 2021 P0172 returns I replace both Air diverter/bypass valves and code self clears for 12 months. 6. Dec 2022 P0172 returns and I replace the air diverter/bypass valves with Toyota …

Apr 25, 2016 · Got the dreaded P2445 Secondary Air Injection System Pump Stuck Off (Bank 1) last week. I also got the P0418 Secondary Air Injector Relay A Malfunction. After spending 8 …

May 16, 2021 · Yeah, still having the same issue here. Seems to be happening more frequently now. Getting Running RIch on both sides P0175 and P0172. Always starts w/ P0101. RUns …

Jul 18, 2011 · Ive read that cleaning the MAF may help & vacuum leaks may also cause this code to be thrown. My truck recently had a supercharger installed if that helps any. Ive put on at …

Dec 6, 2014 · Hello all- I've seen a few threads on here about a P0101 mass air flow code. However, most have been with a cold-air intake or on a lifted truck. My truck has been …

Mar 17, 2008 · Hi, My check engine light came on again today on my '08 Tundra, so I borrowed a code reader (nearest Toyota dealer is over 200 miles away round trip), and it says P0441 and …