No, Mr. Lemmywinks, No!!!
Join Date: Jun 2005
Location: Harriman, TN
I always start like this:
Open google, and type "p0171 code site:tccoa.com" witout the quotes in the search box.
This is the first page:
About 101 results (0.25 seconds)
Code P0171 and P0174 - TCCoA Forums
Jul 18, 2002 - 5 posts - 4 authors
I have a 94 Courgar with a 4.6 and had the check engine light come on. I pulled the codes and Po171 and P0174 came up which are system to ...
Codes P0171 & P0174 - TCCoA Forums
May 23, 2007 - 14 posts - 8 authors
Just a little confused. Went to Autozone to get a check engine light read and the two codes returned were P0171 & P0174. The guy suggested I.
P0171 and P0172 at the same time? - TCCoA Forums
May 12, 2016 - 4 posts - 2 authors
All seemed well until a little after 200 miles the CEL came back on again, only this time it had codes for bank 1 lean and rich (P0171 and ...
Engine code: "System too lean" - TCCoA Forums
Aug 16, 2006 - 20 posts - 11 authors
Codes P0171 & P0174 indicate that the system has detected a lean running condition. It flags the code when the system runs lean after a ...
P0171 p0175 rough idle - TCCoA Forums
Feb 5, 2011 - 11 posts - 5 authors
I got these codes today, P0172 P0175. It basically means that both banks are at their adaptive lean limit (no more fuel can be removed).
p0171 - TCCoA Forums
Mar 12, 2010 - 27 posts - 8 authors
i need a lesson in using search because i know i read up on this issue but i can't find it. Basically if i drive my bird hard i get this code (running.
CEL Killing me!!! HELP - TCCoA Forums
Sep 20, 2008 - 30 posts - 10 authors
DTC for which Freeze Frame was Stored P0171 .... Ok, So I Am Still Getting The P1131 Code And The Car Is Getting Terrible Terrible Gas ...
P0102, P0171, & P0174 - TCCoA Forums
Apr 26, 2015 - 19 posts - 6 authors
SGII reads codes when CEL comes on, always those three (P0102, P0171, ... P0171 & P0174 are system too lean on Bank 1 and Bank 2 ...
PO171 codes - TCCoA Forums
Feb 18, 2014 - 16 posts - 3 authors
His scanner also picked up p0171 code and also pinpointed that oil dipstick was loose and I know that tranny fluid dipstick wasnt put in all the ...
1998 Ford Expedition. Code P0171 - TCCoA Forums
May 14, 2004 - 2 posts - 2 authors
If you read thru all that, you will find the most common thing is a vacuum leak.
Likely all your vacuum hoses are rotted, or your manifold gaskets have gone bad, that's fairly common.
Your o2 sensors are probably bad, as they're 20+ years old, so if you want to list everything you've already done to the car, that will save a lot of time.
Red '96 Cougar XR-7 240k mi. '02 4R70W, PST DS : '03 PI engine, 04 maf, 24lb injectors, 2.5" exhaust, '02 4r70w + Jmod, DirtyD0g TC + cooler + 3/8" lines, 255 walbro fp. Alpine system.
Black '96 Cougar XR-7 (Lazarus) 210k mi PI Intake, '02 4R70W, Jmod, PST DS, GrogTune, Konis, Mark LCA+Poly, racecougar Custom Engine Chain, and JL and racecougar Bracing.
Black '97 Tbird Limited Edition, '02 4R70W, 255 walbro, PST DS, PBR Brakes&SS lines, Toicko Blues & Springs, GrogTune.
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