P0174: System Too Lean Bank 2

“The Blazer is showing many codes in the ECM, even though it seems to be running properly. The codes include: p0171, p0174, p0101, p0128, p0155, p0300, p1870, p0128, p0155. The dash recently showed warning lights for parking brake, ABS, and Service Engine soon. It was checked a few days ago by a local repair shop. Two previous recalls showed multifunction switch failures which affected many vehicles.”2002 Chevrolet Blazer · Oct 2023

“Vehicle check engine turned on to check AWD system after about 2 days when filling with gas the engine wouldn't start and had Low brake power message on dashboard. Checked code and got P0171 and P0174 which mean engine's air/fuel mixture becomes too lean for the Engine Control Module (ECM) to correct within its normal operating range there are many posts and threads about same issue on highlanders as old as 2017 please look into this issue that could potentially cause a hazard. will take vehicle in for inspection 06/13/23 at Toyota of Naperville”2019 Toyota Highlander · Jun 2023

“This car is a mess. It didn't pass the state emission test sticker. The traction control system in conjunction with the stability track control system. Are bringing up a check engine light with error code p0174 and p0171. Every time those system showed up in the instrument panel I got a follow up check engine light. I don't know what the problem is and two gmc buick dealer have said different fix method. Very back for me. They want to fix different problems. They don't know what the real problem is. They are guessing.”2008 Buick Enclave · Jul 2018

“The stabilizer system is showing a warning light. Saying : the stabilizer system need service. At the same time the tire pressure symbol light come on and the check engine light follow and stays on. Showing 3 error codes p0700 - p0174 - p 0171. This is like one error code pull the other. Then the next day the light is gone, when you come and start the car and then after several hour the light comes back again.”2008 Buick Enclave · Jul 2018

“Car stalls while idling. The rpm's and the battery gauge go up and down while driving on city streets and highway. It has also been warm and cold weather. The car will reduce speed on it's own while this is happening. The vehicle drives rough and the engine sounds harsh. Originally engine light codes of p0174 and p0171 came on and dealership cleaned air flow. Now no codes and dealer isn't able to always recreate. I have brought to dealer multiple times for same issue. Owned vehicle less than 90 days.”2013 Chevrolet Traverse · Jun 2016 · 58,000 mi

“Tl* the contact owns a 2003 infiniti g35. While driving between 45 and 60 mph, the vehicle shook violently while idling. The check engine light codes p0170 and p0174 illuminated. The vehicle was not diagnosed nor repaired. The VIN was not included in NHTSA campaign number: 03v455000 (engine and engine cooling). The manufacturer was notified of the failure. The failure mileage was 189,800.”2003 Infiniti G35 · Mar 2016 · 189,800 mi

“My ABS/brake lights have been coming on while driving. Lean codes p0171 and p0174 are showing. Also electrical system, mainly locks have become inconsistent. When using remote to open locks, sometimes a door lock will not open on driver or passenger side. Also, interior lights sometimes don't shut off when supposed too. *tr”2003 Ford Windstar · Dec 2012 · 105,000 mi