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Threads Tagged with p0171
		Thread / Thread Starter	Last Post	Replies	Views	Forum
		Possible bad lower intake gasket on 1997 ford ranger 4.0 ohv Auscapece	03-07-2018 07:30 PM by 12 Deg North Industries	1	1,042	4.0 SOHC / 4.0 OHV Tech
		PLEASE HELP!!! System Too Lean P0171 - Erratic Idle, Check Engine Light Andy9er	11-30-2016 03:01 PM by Soledad	6	5,392	4-Cylinder Tech
		The Infamous P0171 and P0174 codes troubleshooting ( 1 2) Lee_T413	02-01-2015 09:28 AM by Kanook	23	23,412	4.0 SOHC / 4.0 OHV Tech
		P0302 & P0171: '02 2.3L automatic 87k misspeabodi	07-22-2014 02:00 PM by misspeabodi	0	1,975	4-Cylinder Tech
		3.0 Idle Problems tharnes	06-01-2014 06:22 AM by tharnes	2	2,448	3.0 Vulcan Tech
		dreaded 171/174...replaced parts but still? htr1998	04-16-2014 07:45 PM by Tuco22	5	1,605	4.0 SOHC / 4.0 OHV Tech
		My ranger sounds like it dying Blake33	04-07-2014 03:20 PM by SavageSalad	1	726	4-Cylinder Tech
		EGR or System Too Lean? Gedii	08-23-2013 08:50 AM by POS Racing	1	907	General Tech
		System too lean, O2 circuit slow response *help please* dsrtghst42	11-04-2011 03:57 PM by dsrtghst42	12	2,361	4.0 SOHC / 4.0 OHV Tech
		p0171 slight miss at idle alot worse at 45 mph cpyron13	08-18-2011 02:17 PM by cpyron13	10	3,597	3.0 Vulcan Tech
		OBDII reads system lean, loss of power, and running kinda loud berrios89	08-17-2011 06:38 PM by mepe56	4	1,904	4-Cylinder Tech