Question about 1997 Dodge Ram

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My 97 dodge enginat does the light is on. It says Lean on bank 1. what does that mean?

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Probably a vacuum leak.

Posted on Sep 14, 2010

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98 dodge ram 1500 5.9L 2wd codes P0300, P0301, P0302, P0303, P0171. What all do I need to do to resolve??


the p0300--p0301-p0302=p0303 are misfire codes and can mean needs tune up or wiring problem and p0171 is system to lean bank 1 with this code if you correct it will probably correct the misfire codes your receiving
http://www.obd-codes.com/p0171 Fixing Hesitating Car P0171 Code YouTube P0171 System Too Lean Bank 1

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What does code po171 mean


System too lean (bank 1)
Not enough gas in mixture

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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.

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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.

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Dodge 2004 p171 p174


p0171-- system to lean (bank 1)----p0174-- system to lean (bank 2 ). bank 1 is the side that #1 cylinder is on. bank 2 is the other side. the cause may be bad 02 sensors on both banks, or a exhaust leak. also you may want to check and clean the mass air flow sensor. for the sensor will set the same code as 02 sensors. good-luck!!

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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.

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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.

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My 97 buick stalls some time and wont start for while


remove maf sensor and check for air filter debris on it, gently blow off debris taking care not to damamge the wires on the sensor. also check forvaccum leaks as this can cause a lean condition

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