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P0172 LEXUS - System Too Rich Bank 1
Possible causes
Faulty front heated oxygen sensor
Ignition misfiring
Faulty fuel injectors
Exhaust gas leaks
Incorrect fuel pressure
Faulty Mass Air Flow (MAF) sensor https://www.autocodes.com/p0172_lexus.html
Feb 12, 2014 - 10 posts - 6 authors
I've been getting these codes for awhile now which are p0174 "ECM has detected ... 06 Sonata LX 3.3L V6 ... the fact that your FE has gone down could indicate something else as .... 2014 Santa Fe Sport 2.0T AWD w/ Tech Package ... Join Date: Jul 2007 ...More on PowerTorque Tools - Hex Bits Set - SAE ...Missing: examination
Dec 25, 2014 - 10 posts - 3 authors
today one of my colleague who have same car sonata 2007 but with 4 cylinder.for checking ... Drives hyundai accent 2005(sold) Drives Hyundai Sonata 2006 v6 3.3L ...Due to it throwing codes for both rich and lean and after finding a thread searching those.... More on UltraSteel - Magnetic Nut Driver Set.Missing: examination
You have big problems here, I suggest you go to the provided links and read about these fault codes and then hire a good technician. Ford P0171 P0174 Lean Codes
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