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P0171 ford focus 2009

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Unmetered air can enter the engine through a vacuum leak, a dirty airflow sensor that is not reading airflow accurately, an EGR valve is not closing and is leaking exhaust into the intake manifold, an EGR valve that is allowing too much flow because the EGR differential pressure sensor that monitors EGR flow is faulty and is under-reporting EGR flow. I've got a misfire. Reply to this topic Start new topic. The car starts only with Easy Spray by Amelia H. How can I fix this My car has miles. Also the vacuum hose that connects the fuel pressure regulator to the intake manifold can swell and leak vacuum where the hose connects to the manifold. Please follow the instructions below to enable JavaScript in your browser.

  • P FORD Fuel Injection System Too Lean Bank 1
  • Ford Focus Questions Code P CarGurus
  • P OBDII Trouble Code System Too Lean (Bank 1) Autoblog
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  • Mk1 Focus With P Code Ford Focus Club Ford Owners Club Ford Forums

  • Repair Information for P Ford Focus code. Learn what does P Ford Focus System Too Lean Bank 1 means, location and how to repair?. P Ford Focus | System Too Lean Bank 1 | The adaptive fuel strategy continuously monitors the fuel delivery hardware. The test fails when. Hey all, So I've been dealing with this code p (system too, lean bank 1) Join Date: Sep. What I Drive: Ford Focus Titanium.
    I figured i'd do a general maintenance of tires and fluids while i was already getting dirty and under the car.

    The vapors can leave a waxy coating on the sensor wire.

    images p0171 ford focus 2009

    Upload or insert images from URL. It drove like normal; but was still a little difficult to start, i. Join the conversation You can post now and register later.

    P FORD Fuel Injection System Too Lean Bank 1

    images p0171 ford focus 2009
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    P and P occur when the engine is running too rich too much fuel relative to air charge and the engine feedback system is unable to compensate. Leaks in the intake or intake hose as well as leaks between the mass air flow sensor and the throttle body, loose intake manifold bolts and other vacuum leaks can account for these codes.

    images p0171 ford focus 2009

    Mk1 Focus 1. I've got a misfire. He said the rubber was split, so they ordered me a new intake tract.

    Steve: Welcome and thanks for your question.

    My name isXXXXX will do whatever I can to answer your questions! Steve: It sounds like you. Code P - I have a focus zx3 and when I drive it runs great but My daughter-in-law has a Ford Focus with the code po is.

    Hi, I have a Ford Focus wagon with the 4 cylinder normally aspirated engine.

    Ford Focus Questions Code P CarGurus

    This car has given me so much trouble in the past.
    Last year at times it would have been hesitant holding back etc. Please enter a display name. The exact text will differ depending on the actual application you have running. This code is not set on four cylinder engines no bank 2. Jump to Latest Follow.

    Video: P0171 ford focus 2009 Intake manifold vacuum hose leak & How to Replace PCV hose FORD FOCUS 2.0L 2005~ HE MI4 4F27E

    For a better experience, please enable JavaScript in your browser before proceeding. Maybe I really should get the TSB for all the mounts.

    images p0171 ford focus 2009
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    Vacuum leaks can occur anywhere in the intake plumbing downstream of the throttle body throttle body gasket, intake manifold gaskets or vacuum hose connections to the intake manifold.

    Check your in-box to get started. Please see our terms of service for more details. Sorry about that. I heard that's why they have the accordion part due to engine movement, but maybe it's still messing it up.

    A Ford P is a LEAN code for cylinder bank 1, and P is a LEAN code for cylinder bank 2.

    P OBDII Trouble Code System Too Lean (Bank 1) Autoblog

    These codes commonly occur on many Ford vehicles, and are. I recently brought a (59) Ford Focus zetec S petrol, I have the same fault reoccur 'PO bank 1 system to lean', this fault occurs every. Repair Information for P Ford Focus code. Learn what does P Ford Focus System Too Lean Bank 1 means, location and how to repair?.
    Car sputtering occasionally A common problem for your vehicle is a misfire condition causing a sputter.

    I had change a few parts, these being fuel filter, spark plugs, coil pack, MAP sensor usedand it still was eventually bringing the light up. Year I don't know. Kevin Gainer Automotive Mechanic. Only 75 emoji are allowed.

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    I've been hesitant about the tsb cuz of complaints about the clutch feel but I may have to do it. This code is not set on four cylinder engines no bank 2.

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    PASTOR GANHA 22 MILLIMETER
    A common mistake that could be made when diagnosing the P code would be not looking for any technical service bulletins for your specific car model that may be related to this issue.

    Since then, the clutch pedal has Reply to this topic Start new topic. If engine is eventually warmed up, it may behave a slight bit better.

    Mk1 Focus With P Code Ford Focus Club Ford Owners Club Ford Forums

    The effect on fuel trim would be the same as a weak fuel pump - close to normal at idle but going more positive indicating a lean fuel mixture as engine speed and load increase. Vacuum leaks can occur anywhere in the intake plumbing downstream of the throttle body throttle body gasket, intake manifold gaskets or vacuum hose connections to the intake manifold You can use a scan tool to diagnose a vacuum leak.

    Also sprayed connectors of, throttle position sensor, idle speed control valve, crankshaft position sensor, ignition lead wires, coilpack connector.

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