Question about 1996 Ford Crown Victoria

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Check engine light, on getting code P0171. Need to know what it is

Car chugs and sputters when starting then runs good, just bought it and need to know what to fix. car set for a year in a garage

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  • 560 Answers

171 is a lean code ck for a vaccum leak

Posted on Jun 04, 2012

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Mackmech11
  • 122 Answers

SOURCE: check engine lights on 99 ford ranger ODB codes

DTC P1506 is set when the PCM detects the engine idle speed is greater than the desired rpm. This is most commonly caused by a dirty or bad IAC valve. Cleaning the throttle body will, most likely, cure this problem.

p1131 means that the bank #1 O2 sensor, the bank closest to the firewall, cylinders 1-3 is showing a lean mixture. Could be a vacuum leak, a misfire on that bank, an exaust leak upstream of the O2 sensor, fuel control or injector problem on that bank, a faulty O2 sensor, faulty PCM, faulty wiring in the engine control wiring harness.

P0171
In the vast majority of cases, simply cleaning the MAF sensor does the trick. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling also Inspect all vacuum and PCV hoses, replace if necessaryCheck for a dirty fuel filter and proper fuel pressure

Posted on May 19, 2010

  • 85 Answers

SOURCE: check eng light on codes p0171 and p0174 what do

intake leaks can cause this code set

Posted on Feb 27, 2010

  • 290 Answers

SOURCE: the code of p0171 ,how to fix

You can try cleaning the MAF first:
http://www.fordf150.net/howto/clean-maf-mass-airflow-sensor.php

If the code comes back after clearing it, check the spark plugs (not an easy task). My 2000 Expedition had fouled plugs....the 5.4 has a bad head design with recessed spark plugs.

Posted on Jun 24, 2009

  • 1 Answer

SOURCE: 2001 ford expedition

the same thing happen to mine twice,and both times it was the coils ,You have 8 total ,one over each spark plug.I replaced them and no more problems.Check with the auto parts so they can tell you which one is bad,hope this helps...

Posted on May 26, 2009

  • 553 Answers

SOURCE: What is the code P1451 solution?

P0171 - System too Lean (Bank 1)
P0174 - System too Lean (Bank 2)
P1451 - EVAP Control System Canister Vent Solenoid Circuit Malfunction
I'm afraid I don't have enough info to tell you how to fix the P1451 but I'm certain it's the cause of the other two codes.

Posted on Jun 08, 2010

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Im getting P0171 code- lean .


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Sputtering/ chugging while driving


Disconnecting the battery could reset codes and/or sensor readings in the engine computer.
Is the check engine light on, and have you checked the computer for trouble codes ? Is fuel pressure normal ?

Aug 27, 2015 | 2001 Chrysler PT Cruiser

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2012 Nissan Versa 1.6, after idling for a about 20 minutes (or while in heavy traffic) engine starts sputtering and eventually would stall. Would no start till cooled off. The following codes come up :...


P0171 and P0174 are telling you that each cylinder bank is running too lean. P0300 is telling you there is a misfire, possibly caused by the other codes. This is why the engine is running rough.

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1999 lincoln continental is sputtering


Is the check engine light on ?
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If a sensor has failed or something like the EGR valve is faulty you should get a check engine light and a trouble code.

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My 2005 Ranger won't run. The check engine light reads cyl 2 misfire so we changed the plugs. We also changed the fuel filter. It starts but won't run. It sputters and chugs. Don't know what else to do?...


You more than likely have a bad spark plug wire on cylinder # 2. But considering that when it starts it only sputters and chugs, you have more wrong than just one bad plug wire. Are you 100% positive you have the plug wires connected correctly. Here is a diagram of both the 3.0 & 4.0 V6. You may also have a bad coil pack. clay58_44.png

Apr 04, 2011 | 2005 Ford Ranger

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My doughter just bought a 2005 cobalt, when we got home the check engine light came on. " used car..go figure." 2 codes 1.) B2AAA 2.) P0171 any help on how to fix these would be appreciated. ...


Im not sure what the b2aaa is but the p0171 is bank one ( line of cylinder's that has #1 cylinder in it) is lean. This can just be a bad oxygen sensor.
I need to know more. Is the idle smooth? Is the idle at a good speed? (motor not reeving or going to slow)

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On extremely cold mornings my Vibe engine will chug while I'm stopped. Once the engine warms up the chugging goes away. It's not the O2 sensor as this has already been replaced. Check engine code P0171 It...


you need to have the Engine Coolant Temperature switch checked,since the computer relies solely on sensors,the ect tells the computer how cold or hot it is so the computer will make it a rich or lean mixture to start the engine,if it tells the computer that it is 75 degrees the computer will lean the mixture like starting a car in the winter without a choke.

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Engine Clugs and Sputter while driving up a hill


Check the fuel filter to see if it is plugged.
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you need to find out what codes have been set
one of your coil packs is going bad.
the code should tell you which one
let us know how you do
later
paul

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