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Code p1131 control air metering and p0151 fuel air metering.where are these controls. My Escape misses bad at idle.

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Engen problem and missing


Sir, your question is not very clear, but I will still try to post a solution here. Engine missing could be due to any problem in fuel system, ignition system, engine or ECM as well.

LOW ENGINE IDLE SPEED (Poor idling):
-Throttle body (do the cleaning and idle speed learning)
-A /C signal circuit
-Fuel pump control circuit
-Fuel pump
-Intake system
-P C V valve (clogged or open) and hose

ROUGH IDLING:
-Cylinder Compression
-Ignition system (Igniters, spark plugs, wiring harness)
-Spark plug fouled, gap too wide or too short. (1.00-1.1 mm)
-Fuel injector circuit
-E C M power source circuit
-Fuel pump control circuit
-Fuel pump (required pressure 44 psi - 49 psi)
-Throttle body (cleaning)
-Intake system
-P C V valve and hose
-Air fuel ratio sensor
-Heated oxygen s ens or
-Mass air flow meter
-Idle hunting
-Throttle body
-Intake system
-P C V valve and hose
-Air fuel ratio sensor
-Mass air flow meter

HESITATION/ POOR ACCELERATION:
-Fuel pump control circuit
-Fuel pump
-Spark plug
-Ignition system
-Fuel injector circuit
-E C M power source circuit
-Mass air flow meter
-Throttle body (do cleaning)
-Intake system
-Valve timing
-Cylinder Compression


Jan 18, 2014 | 2008 Toyota Corolla

2 Answers

98 v6 triton engine miss fires runs rough between idle and about 2500 rpm could this be coil packs or air flow meter any help would be good


Could be many things but I would scan the vehicle for codes which may hint to the problem. Some store like autozone will do a free scan if the light is on.

Dec 08, 2012 | Cars & Trucks

1 Answer

The computer says that it has a code p1131 manufactor control fuel air metering also p0135 o2 sensor heater ciruit malfunction bank1 sensor1 and p0307 cylinder misfire


firstly check your 02 sesor bank 1 sensor 1 first because maybe 02 sensor death come out more fuel until air metering cannot control so air metering code came out and spark plug overdose fuel and misfire incur check with ohm meter to get the ohm from the 02 sensor rectify

Apr 02, 2011 | 1999 Mercury Grand Marquis

1 Answer

OBD read p1131 manufacturing control fuel air metering on 94 ford mustang. What does that mean?


think it could mean the mass air flow sensor in the air intake pipe ,but i would test this with a automotive meter and not a code reader to be honest

Mar 05, 2011 | Ford Mustang Cars & Trucks

1 Answer

P1131,p1151,p0174


Hello,
P1131 = Lack of HO2S11 switch - sensor indicates lean, ( upstream heated oxygen sensor )
This oxygen sensor is located before the catalytic converter, ( refered to as UPSTREAM )

P1151 = Lack of HO2S21 switch - sensor indicates lean, ( could be up, or downstream heated oxygen sensor ) " Downstream ", meaning after the catalytic converter.

PO174 = System too lean, ( bank 2 ) The fuel/air mix ratio is bad.

These DCT codes are generally caused by a problem with the emissions system. The following items are a few of the most common items to trigger those codes.

1. Dirty air filter. ( very common )
2. Faulty idle air control valve. ( common )
3. MAF, ( mass air flow ), sensor. ( very common )

All 3 of the above can prevent the onboard computer from determining the proper fuel/air mix ratio.
The oxygen sensors measure to insure the fuel/air mix produces maximum power with minimal emissions.

I hope this helps you.
Feel free to contact me in the comment section if you have a question.

Feb 15, 2011 | 2002 Ford F150 Regular Cab

1 Answer

Obd code P1131


this problem code is p1131, manufacturer control fuel air metering. this means the o2 sensor on bank one is bad. bank 1 is the same bank #1 cylinder is at. so this means 02 sensor in front of convertor is bad.

Aug 29, 2010 | 2002 Ford Taurus

1 Answer

P1131 manufacturer control fuel air metering. What is the part? The car is Mazda 626 carburator 1997.


Hi Galant5Rov,

Firstly, congratulations to you on identifying the Trouble Code. This code relates to the Heated Oxygen Sensor (H02s)

The oxygen sensors supply the computer with a signal that indicates a rich or lean condition during engine operation (i.e. fuel/air metering).

This input information assists the computer in determining the proper air/fuel ratio. A low voltage signal from one or more sensors indicates too much oxygen in the exhaust (lean condition) and, conversely, a high voltage signal indicates too little oxygen in the exhaust (rich condition).

The oxygen sensors are threaded into the exhaust manifold and/or exhaust pipes on all vehicles.

A faulty oxygen sensor due to loose connections, bad grounds, high resistance in the circuit, or opens in the circuit can cause the following symptoms.
Related Symptoms
  • Surging at idle
  • Unstable idle
  • Running rough off idle
  • Hesitation
  • Stumble
  • Chuggle
  • Poor fuel economy
  • Spark knock
  • Stalling on acceleration
You must take EXTREME care when removing these sensors, as they can be difficult to remove (seize up). You may require a special tool to remove these without causing damage to the sensor.

Cheers,


"If this has helped you in any way, please rate this solution" :-)



Jan 27, 2010 | 1997 Mazda 626

1 Answer

Fuel air metering p1131code


P1131-Lack of HO2S-21 Switch, Sensor Indicates Lean- Bank 1
A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.
A code P1131 may mean that one or more of the following has happened:
Electrical:
  • Short to VPWR in the harness or HO2S
  • Water in the harness connector
  • Open/shorted HO2S circuit
  • Corrosion or poor mating terminals and wiring
  • Damaged HO2S
  • Damaged PCM
Fuel System:
  • Excessive fuel pressure
    Leaking/contaminated fuel injectors
    Leaking fuel pressure regulator
    Low fuel pressure or running out of fuel
    Vapor recovery system
Induction System:
  • Air leaks after the MAF
  • Vacuum Leaks
PCV system:
  • Improperly seated engine oil dipstick
EGR System:
  • Leaking gasket
  • Stuck EGR valve
  • Leaking diaphragm or EVR
Base Engine:
  • Oil overfill
  • Cam Timing
  • Cylinder compression
  • Exhaust leaks before or near the HO2S(s)
Hope this helps, let me know

May 14, 2009 | 1999 Ford F150 Regular Cab

3 Answers

What does computer code p1131 manufacturing control fuel air metering mean


Code p1131 manufacturer control fuel air metering, on a 2003 Ford Taurus. Where is part? Is there an easy way to see if it can be fixed without buying the expensive part?

Apr 27, 2009 | Ford Explorer Cars & Trucks

1 Answer

Code p1131 on a 1999 mercury cougar


Lack of HO2S-11 Switch, Indicates Lean.Right bank front 02 sensor. When an HO2S sensor indicates lean at the end of a test, the system is trying to correct for an over-lean condition. The code is set when the fuel control system no longer detects switching for a calibrated amount of time.In other words the 02 sensor is indicating lean and the fuel trim has reached the programed limit trying to correct it.
There are many things that could cause this like a bad 02 sensor,a vacuum leak,a leaking or contaminated fuel injector/s,a stuck open PCV valve,leak in hose between MAF sensor and engine causing un-metered or unmeasured air entering the engine,exhaust leak,improperly seated oil dipstick,stuck EGR valve.
Check PCV valve first if it is stuck open if you pull the hose off of the valve cover that hooks to the air tube between MAF and engine you will feel a strong vacuum pull there,normal you would hardly feel it.

Mar 11, 2009 | 1999 Mercury Cougar

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