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Error p0171 p0174, b2799

Could this be from a loose gas cap

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1999 Firebird with P0171, P0174, P0300 codes


P0300 - random misfire , P0171 & P0174 lean code's . All of this means you could have a bad vacuum leak ,low fuel pressure ,clogged fuel filter , Mass air flow sensor problem .
Ford 150 P0171 P0174 Trouble Codes vacuum leak water test
Low fuel pressure causing P0171 and P0174 trouble code

Nov 04, 2017 | 1999 Pontiac Firebird

1 Answer

CARMD READOUTS ON MY 2006 FORD FREESTYLE CODES # PO 174,171,401,457, ALSO P2104,111,112,218 WHAT'S WRONG WITH MY FORD?


P0174: Fuel Injection System Too Lean Bank 2 http://www.autocodes.com/p0174_ford.html

P0171: Fuel Injection System Too Lean Bank 1 http://www.autocodes.com/p0171_ford.html

P0401: Exhaust Gas Recirculation Flow Insufficient Detectedhttp://www.autocodes.com/p0401_ford.html

P0457: EVAP Control System Leak Detected Fuel Filler Cap Loose/Off P0457 Ford EVAP Control System Leak Detected Fuel Filler Cap Loose Off

P2104: Throttle Actuator Control System Forced Idle http://www.autocodes.com/p2104_ford.html

P0111: Intake Air Temperature Sensor 1 Circuit Range/Performance Problem http://www.autocodes.com/p0111_ford.html

P0112: Intake Air Temperature Sensor Circuit Low Input
http://www.autocodes.com/p0112_ford.html

P0218: Transmission Fluid Temperature Over Temperature Condition http://www.autocodes.com/p0218_ford.html

Dec 07, 2016 | 2006 Ford Freestyle

1 Answer

Error codes; p0171, p0174


P0171 system too lean bank 1
P0174 system too lean bank 2

Not enough fuel in mixture

Mar 15, 2016 | 1997 Mercury Grand Marquis

1 Answer

What are the probable causes of DTCs P0171, P0174, and P0455?


Smoke testing for codes P0171 P0174 - YouTube

? 5:48
www.youtube.com/watch?v=kZsqEfP-5zM
Jan 18, 2011 - Uploaded by realfixesrealfast Smoke testing for codes P0171 P0174 .... I have a 1995 ford mustang gt 5.0 and it keeps having a Fault code 176 pop up. ....Ford Explorer P0174 code intake air leak check engine light by froggy - Duration: 16:11. by froggy ...

Sep 27, 2013 | 1999 Ford Explorer

1 Answer

How to fix codes P0171 & P0174


Determining exactly what of the thousands of parts on a modern car is broken is as difficult as doing the repairs many times. IN this video you'll learn how to diagnose and fix error codes P0171 and P0174 on a 2001 Ford Escape, which indicate vacuum problems.http://www.lightdeal.co.uk/

May 17, 2013 | 1997 Cadillac DeVille

2 Answers

P0313;Misfire Detected with low fuel P0171-System too lean{bank1} P0174 System too lean{bank2} drive cycle


P0313 - Misfire Detected with Low Fuel
P0174 -System too Lean (Bank 2).
P0171 -System too Lean (Bank 1).

P0171 and P0174 mean "system too lean" for banks 1

Aug 24, 2010 | 2000 BMW 3 Series

1 Answer

P1507 P0171 & P0174 error codes on 02 windstar


p0171 indicates the system is running lean on bank 1,p0174 means the system is running to lean on bank 2 p1507 is an idle speed under run fault i'd suspect an air leak is the cause of your problem check air intake system for airleaks

Aug 06, 2009 | Ford Windstar Cars & Trucks

2 Answers

Diagonostic trouble codes reported p0171 p0174 p0302 2001 Taurus, only reports P0171


P0171 is system too lean bank 1, P0174 is too lean bank 2, and 302 is misfire bank 1. Look for vacuum leaks. If you don't find them, put a vacuum gage on it can check. The P0171 is almost always a vacuum leak. If not other possibilities are front O2 sensor is too old and should be replaced (if mileage is greater than 100k then replace). Try injector cleaner. Misfires are usually bad spark plugs, but could possibly be caused by insufficient fuel. I've never had a car of mine in bad enough shape to have that error.

Sep 14, 2008 | 2001 Ford Taurus

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