Question about 2002 Ford Taurus

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Car engine light is on put it on computer but code was P0172 which I can't find anywhere what is means?

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P0172 Fuel System Too Rich. Usually Mass Air Flow Sensor.

Posted on Aug 31, 2010

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Thats a common code for the engine running too rich. a qualified repair shop will need to diagnose it. .

Posted on Aug 31, 2010

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P0172 code. Check Engine light on. Vehicle will not start now


What make and model car ? P0172 OBD II Trouble Code could be running so rich that it fouled the sparks . Pull out the spark plugs and see if there are wet with fuel and black, means that they are fouled out. Have to be cleaned or replaced . I don't know the make of vehicle , so I can only give approximation what mite have caused this , a fuel pressure regulator with a ruptured diaphragm leaking fuel into the intake manifold, leaking fuel injectors P0172 System Too Rich Bank 1

Dec 20, 2014 | Cars & Trucks

2 Answers

P0172 fault code


It could be an emmissions problem. Sometimes even the gas cap being loose can cause a code. Make sure to tighten the cap when done refuelling...you should hear repetitive clicks when its tight. Other components related to code p0172 are o2 sensor(bank 1) and catalytic converters. Hope this helps!

Aug 29, 2014 | 2005 Hyundai Elantra

1 Answer

Codes: P0455, P0411, P0172, and P1528


A lot of times a bunch of Codes may come up and cover a lot of areas. It may be one of these Codes, it may not. And it may be None at all, and the system just has to be reset to put the light out.
As far as what the Codes (parts and/or) actually represent, Autozone, etc should have the meter that tells what those Codes are. Or ask the Dealer what the Codes mean, without agreeing that you are going to let them fix it but just trying to get an idea what to expect. Soemtimes they may want to charge you to do something like this, and sometimes you may wan to say goodbye. You may want to buy a Subaru. If you bring your car in to one of their dealers, whether you bought it there or not, they will take some info from you to get you into their system, bring the car in, put in on meters or whatever, tell you what might be going on, and not charge you anything whether or not you decide to get it taken care of there.
My Father owned a hunk of junk 1983 Buick Regal and every time I drove it the "Service Engine" lights came on. There was nothing wrong with the Car, and the light would eventually go out when my Father started driving it again.
Part of these problems are simply that Computers are machines, do what they are told to do, and only as good as the people setting them up. So, in this case, putting a computer in a Buick that they didn't even know what a "Spring and Suspension Rate" was, is the obvious reason things didn't work right, if at all.

Dec 05, 2013 | Volkswagen Cars & Trucks

1 Answer

2002 MR2 fuel system too rich bank 1 and bank 2


Peter. The dealer did diagnose the problem. They said the car needed all 3 oxygen sensors replaced. They were replaced and the car is now returning codes p0172 and p0175 which are the only 2 codes coming up when the check engine light came on. My question is if the dealer sold me the incorrect oxygen sensors could this cause the computer to incorrectly set the p0172 and p0175 rich fuel mixture codes. There are no other codes coming up. My plan at this point is to check and clean the MAF, check my fuel pressure, and also the TPS but I did not want to waste my time if it could possibly be that the new oxygen sensors where the problem. Any help would be appreciated.

Jan 21, 2013 | 2002 Toyota MR2 Spyder

1 Answer

CODE P0172 ON 2008 CHEV MALIBU WHAT DOES THAT MEAN


First you disengage the Caps Lock. Then you read this article:
http://www.obd-codes.com/p0172

I would start with the easiest which would be the MAF sensor. Disconnect it and make sure the contacts are clean, then reconnect and make sure it is secure. Then clean the MAF.

Jul 11, 2012 | Chevrolet Malibu Cars & Trucks

1 Answer

Hyndai Santa Fe code P0172, P0175


fault codes stored in your car lead to check engine light on, you can get a code reader to clear it.elm327 can have a look, maybe can suit for your car.

Jun 29, 2012 | 2006 Hyundai Sonata

1 Answer

I went to Advance and had my 2001 olds alero put on computer and these are the codes that came up I already replaced the plugs and boots, it is still misfiring, here are the codes what do they all...


p1227 Oldsmobile Injector 2 Control Circuit Shorted
p1245 Oldsmobile Intake Plenum Switchover Valve
p1275 Oldsmobile Accelerator Pedal Positioning (APP) Sensor 1 Circuit p0300 Oldsmobile Multiple Engine Misfire Detected p0172 Oldsmobile Fuel Trim System Rich (Bank 1)
sounds like bad injectors for one and computer needs relearned or replaced unfortuantly u gotta goto to the dealer have diagnostics ran

Sep 10, 2011 | 2001 Oldsmobile Alero

1 Answer

Speedometer sudenly stoppped working. now works intermittently. also shows check engine light. It is showing p0171 & p0172 codes. Lean and rich. seams like they contradict each other. occasionaly the...


P0171 indicates a lean condition. The most common cause of this is a defective mass air flow sensor. Also check if any vacuum leaks.Replace MAf sensor,if cleaning the MAF does not help.
OBD II P0172 Fuel System Too Rich (Bank 1).P0172 - System Too Rich (Bank 1) Essentially this DTC means that an oxygen sensor in bank 1 detected a rich condition.
When the code says that the Fuel System is "too rich," it means that the computer has been subtracting more and more fuel, which is called Long Term Fuel Trim. Ideally, the Long Term Fuel Trim should be close to 1 to 2 percent. When a code P0172 is set, it means that the Fuel Trim is anywhere from -15 percent to as low as -30 percent compensated. When this happens, the computer knows that there is an improper condition in the control of the Fuel System.


Thanks.

Feb 07, 2010 | 1996 Volvo 850

1 Answer

Check engine light obd2 code reads P0172


have you tried to goggle this?
Description of vehicle trouble code P0172. ... A code P0172 may mean that one or more of the following has happened: The MAF (Mass Air Flow) Sensor is dirty ...

Oct 13, 2009 | 2005 Volvo S40

2 Answers

Check engine light on,running rough code P0172


When I see all these codes i instantly think of two things. Vacuum leak especially intake manifold gaskets and Mass air flow sensors. Spray the engine with carb cleaner when its running and see if you get it to rev up,run rough or run different. Next unplug the MAF and drive the car, see if it runs normal.

Jun 02, 2009 | 2005 Hyundai Elantra

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