Question about 1997 Ford F250 SuperCab

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97 ford f250 scanner says system too lean bank 1 and bank 2 what does that mean and what can i do

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These codes are usually for oxygen sensors bank 1 is front bank2 is rear best to place both at the same time.

Posted on Sep 08, 2009

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This code can also be set by a leakin the intake, a leak in the O rings on the fuel injectors, or from a bad TPS in the throttle valve body..

Posted on Sep 12, 2009

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I would Reccomend the INJECTORS Be Checked, CLEAN THE FUEL RAIL SYSTEM and if this does NOT Work. REPLACE THOSE Injectors.

Posted on Sep 08, 2009

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What does code p1131 mean on a 2001 ford taurus


P1131 Ford
P1131 Ford - Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1

Repair Importance Level: 3/3

Repair Difficulty Level: 2/3

http://engine-codes.com/p1131_ford.html

Forum Code

Possible causes

- Faulty Oxygen Sensor

- Vacuum leak affecting bank 1 only

- Fuel injector problem bank 1

- Check for cylinder misfire on bank 1

- Engine mechanical condition

Tech notes

Though the Oxygen (O2) sensor, the Engine Control Module (ECM) has detected a lean system, which means that there is either not enough fuel or and excessive amount of air in the system. Start by checking for vacuum leaks.

When is the code detected?

The Engine Control Module (ECM) detected bank 1 oxygen (O2) at its lean limit

Possible symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

P1131 Ford Description

A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to correct for an over-lean condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.

Read more: http://engine-codes.com/p1131_ford.html#ixzz3izk89wMu

Aug 16, 2015 | Ford Cars & Trucks

1 Answer

97 ford expedition has a code 171 and 174 bank 1 and 2 lean what do i do to fix this


Code 171 and 174 are for bank 1 and 2 running too lean. The engine has compensated as rich as it can go, and it is still to lean. This does not necessarily mean your mixture is bad, but something (a sensor) is telling the ECM to correct lean. The oxygen sensors alert the ECM to how lean/rich the exhaust is, and then the ECM trips a code. Maybe you have a bad oxy. sensor, but since there are 4 of them (2 per bank), I don't think they could all go at once.

Aug 31, 2013 | 1997 Ford Expedition

1 Answer

Mitsubishi montero p0171 p0174


The P0171 means System too Lean (Bank 1)
the P0174 means System too Lean (Bank 2)
______________
om580 obd2 scanner

Sep 18, 2012 | 2003 Mitsubishi Montero Sport

1 Answer

What does code P1151 mean when it is thrown on a 97 mustang GT with a 4.6 motor


Ford P1151 = Lack of heated oxygen sensor bank 2, sensor 1 switches, sensor indicates lean.

The oxygen sensor that is upstream of the catalytic converter on the exhaust side that covers the bank of cylinders that includes cylinder no. 2 (the even bank) is not switching rapidly enough from lean to rich. It is "stuck" on lean mode. It could be tested for proper operation and if it fails the tests, it should be replaced.

Mar 04, 2011 | Ford Mustang Cars & Trucks

1 Answer

My 2005 mustang GT was scanned and the following codes came back: P0171 AND P0174. What does these mean


P0171 Means system is to lean on bank #1. P0174 Means system to lean on bank #2.

Dec 14, 2010 | 2005 Ford Mustang

1 Answer

Yes my truck is 1998 ford f 150 4.2 an i have code po174






DTC code p0174 means "System too lean (Bank 1)"

Basically this means that an oxygen sensor in bank 2 detected a lean condition (too much oxygen in the exahust). On V6/V8/V10 engines



, Bank 2 is generally the side of the engine that doesn't have cylinder #1.

Jan 09, 2010 | 1999 Ford Windstar

1 Answer

An Engine Light came on the dashboard of my 2003 Ford Windstar.The code came up saying p0171 (Fuel System too lean.(Cylinder bank 1) What does this mean?


P0171=System Too Lean Bank 1,
not cylinder 1,it means the oxygen sensor on the drivers side exhaust was stuck on lean and set a code.
doesn't mean you need to change the oxygen sensor yet,first clear the code and see if it corrected its self.

Dec 16, 2009 | 2003 Ford Windstar

2 Answers

A po171 code came on my scanner i need to know


system too lean in bank 1. clean your mass airflow sensor, replace fuel filter. iff all else fails check you fuel pump.

Nov 06, 2009 | 1998 Ford Contour

4 Answers

Check Engine light is on my 1997 F150 with a small V-8. The tester returns codes P0171, P0172, P0174 and P0175. What does all this mean?


those codes are for lean engine condition look for vac leaks at the back of engine to the pcv valve could hear hissing noise with engine running also check egr valve to be stuck open also when was last fuel filter changed? hope this helps .

Sep 16, 2009 | 1997 Ford F150 Regular Cab

2 Answers

What is PO171 on Ford Winstar 97 3.8 liter


That's an 02/oxygen sensor code means that bank 1 or 2 is too lean. Good Luck contact if you need more help.

Dec 29, 2008 | 1998 Ford Windstar

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