Question about 1994 Isuzu Rodeo

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Mixture to lean bank 1& bank 2

How do i fix this & what dose it mean

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You might have a air leak on the intake system ,Check for leaking gaskets and loose hoses.

Posted on Jan 25, 2009

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2 Answers

What does code po171 mean


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

May 25, 2016 | 2002 Dodge Dakota Club Cab

1 Answer

What does it mean when it said to lean bank 1


It means that one side of the engine cylinders are running too lean of a fuel mixture Bank one is the left side of the engine. Put a fuel injector cleaner in the gas tank first. Once it has had time to do its work, test again. If it's still lean, then look at the injectors and the control module for a fix.

May 25, 2014 | 2006 GMC Envoy

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

I have a 2003 ford winstar and the check engine light is on. The code readings say Bank 1 and bank 2 is lean. What does that mean?


It means both O2 Sensors, are reporting a lean
exhaust mixture. An out of range condition, that
set the check light

Now you need to figure out why--vacuum leak etc.

I would guess you need a repair shop, that can
diagnose that issue

Feb 12, 2011 | Ford Windstar Cars & Trucks

1 Answer

2007 entourage code p2187 p2189 p0171 p0174 keeps coming on cleaned mass air flow sensor with crc cleaner dont see any vacuum leaks ????help?


Here is two of your codes. Lean mixture on banks 1 and 2. There are 37 pages of Hyundai codes.

http://www.autocodes.com/p0171_hyundai.html

P0174 HYUNDAI - System Too Lean Bank 2

Read more: http://www.autocodes.com/p0174_hyundai.html#ixzz43IA8HGCb

P2187 HYUNDAI - System Too Lean At Idle Bank 1. P2189 will be Bank 2 at idle.

Read more: http://www.autocodes.com/p2187_hyundai.html#ixzz43IASlusU

Check all the bolts holding the plenum, and anything else concerned with air intake. Too much air means weak mixture.

Feb 05, 2011 | 2008 Hyundai Entourage

1 Answer

2003 merc mountaineer error code p0171 what dose that mean


System too lean bank 1. Either vacuum leak or bad O2 sensor bank 1.

Jun 30, 2010 | 2003 Mercury Mountaineer

3 Answers

2003 Ford Ranger 4x4 extended cab- diagnostics checked and got these codes- P0171, P0174, P0300, P0316. Can you tell me what they mean?


P0171------ system too lean bank#1
Po174------ system too lean bank#2
For these 2 codes, try cleaning the maf sensor (mass air flow), that is mounted in the big black hose that goes from the air filter housing to the throttle plate, if it is dirty, that will cause those 02 sensors to send a signal to the computor to lean the air fuel mixture. If cleaning it doesn't work, the sensors will probably need changing.
P0300---- Random/multiple cylinder misfire
P0316---- Cylinder misfire at start up---- first 100 revolutions.
On those 2 codes, you have to do some testing to find out why there is a misfire.
Possible causes:
dirty/malfunctioning injectors
weak coil pack
fowling spark plugs/wires
Low fuel pressure

May 11, 2010 | 2003 Ford Ranger Regular Cab

1 Answer

Diagnostic code #'s p0174,p0171 system to lean bank 1, system to lean bank 2 help


oxygen sensors are telling you that the mixture is too poor on ur sistem need to check its behaviour and see whats causing that lean mixture
hoope this helps

Nov 10, 2009 | 2001 Lincoln Navigator

1 Answer

MY LEXUS IS200 SE engine management light came on had it checked it was sensor 1 bank 2 had it replaced it came on again sensor 1 bank 1 had it replaced it came on again sensor 1 bank 2 HELP!!!!!!


What was the code? lean mixture? If so make sure there is no leak in the exhaust. I have worked on a lexus suv, but it was an 89. It had a lean mixture code. After examination I noticed a exhaust leak which was not apparent at first, there is a section in the exhaust the is very thin, and prone to leakage, causing the lean mixture code.

Jun 30, 2009 | 2001 Lexus RX 300

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