Code p11 can be caused by a vacuum leak, fuel injector problem, ignition problem or by a faulty oxygen sensor. Mercury or ford p11, p1151, p0300 codes wise auto tool. Under specific conditions, the fuel control or upstream ho2s sensors are checked for proper output voltage and response rate the time it takes to switch from lean. After some research i cleaned the maf, plugs and checked for air leaks, but couldnt find any. After we changed everything and got it together it wont idlee and it misses but when driving down the road it runs good. You still have to perform manual test procedures to identify the cause of the problem. I am getting a p11 code 2002 explorer, but shop said it is undocumented.
P11 lack of ho2s11 switch, sensor indicates lean a hego sensor indicating lean at the end of a test is trying to correct for an overrich condition. Parts or components should not be replaced with reference to only a p11 ford dtc. Reason for ford f p11 and find the solution for the code ford f p11, well give to how to fix ford f p11 trouble code problem. Pinpointing an o2 sensor problem focus fanatics forum. Page 1 material engine oil wssm2c153h silicone gasket and f6az19562aa or equivalent ford specification wse sealant m4g323a6 caution. Mustang, edge, f150, raptor, explorer, focus, fusion, fiesta and more. Codes po3 and p11 ford focus club ford owners club. Under specific conditions, the fuel control or upstream ho2s sensors are checked for proper output voltage and response rate the time it takes to switch from lean to rich or rich to lean. In this video i will discuss the tools used and things.
The code shows an issue with an upstream o2 sensor, and jeff shows you where to look on a ford escape i4. Powertrain manufacturer controlled dtc manufacturer controlled. Find your owner manual, warranty here, and other information here. I am needing to know the what colour wires goes to each colour in the harness the is 6 diferent colour wires to a 3 prong plug. Select your vehicle year and model to access all the information you need about your ford vehicle from owner manuals and warranty information to. May 07, 2016 a walkthrough video demonstrating how to remove, clean and refit the idle air control valve on a 2002 lr ford focus. P11 indicates the fuelair ratio is correcting rich for an overly lean condition. Shortly became ford focus the bestseller on all the markets. The other day, whilst idling at a roundabout, the yellow engine light came on. The code that keeps coming back is p11 ho2s circuit low variance bank 1, sensor 2. Engine running in closed loop, then the pcm detected that the ho2s11 signal did not switch because the fuel control system is at its lean limit. Under specific conditions, the fuel control or upstream ho2s sensors are checked for proper output voltage and response rate the time it takes to switch from lean to rich or rich to.
I have an obd2 diagnostic lead elm 327 and software on my laptop and am pretty conversant with it and how and why all the sensors on the car work. Trouble code p11 means that the powertrain control module has detected a lean condition for engine bank no. Where is the coolant temperature sensor on a 2001 ford focus where is the coolant temperature sensor on a 2002 ford focus asked in ford f150. Spray the sensor with crc maf sensor cleaner even though ford.
Download your free pdf file of the 2002 ford focus on our comprehensive online database of automotive owners manuals. It showing codes p11 and p1151 can you help please. United kingdom ford focus 1999 pwm ford focus 2002 pwm ford focus. Ford focus p12 engine trouble code ford focus p12 obd. P0171 p0400 p11 p1 maf sensor mazda 626 v fix it angel. I have a code from my computer p11, which from what i have found indicates a lean condition.
Put a new maf but the temperature 60 degrees celsius. When i plugged the scanner in and retrieved the codes the only code that was retrieved was a p11 and this code is not in my manual. Some of the safety features available with ford focus are frontimpact airbags, occupancy sensors, sideimpact bars, front seatbelt. When this code appears it is because the oxygen sensor that is closest to the. Ford focus is a small family car from ford motor company since 1998. Focus st170 annoying problem with p11 dct ford focus.
Ford focus p12 obdii diagnostic powertrain p trouble code information page. Lack of ho2s switch sensor indicates lean ford, lincoln, mazda, mercury swirl control valve control solenoid valve infiniti, nissan. Motor company, ford of canada, and service and repair facilities may access or share among them vehicle diagnostic information received through a direct connection to your vehicle when diagnosing or servicing your vehicle. Get access to our 2002 ford focus repair information right now, online. P12 2002 ford f150 lack of upstream heated oxygen sensor. I was driving and it made a bang noise and now i head exhaust or air. Error code p11 lack of upstream heated oxygen sensor switch. Learn what does p11 2002 ford f150 lack of upstream heated oxygen sensor switch sensor indicates lean bank 1 means, location and how to repair. Most people attempting to find info about 2002 ford focus engine diagram and definitely one of them is you, is not it.
Ford f p11 obdii diagnostic powertrain p trouble code information page. This video is a step by step on how to replace both oxygen sensors on a 2002 ford focus. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. All of these p1151, p11, p0174, p0171 codes indicate a problem with a. P11 lack of ho2s switch sensor indicates lean ford. Aug 26, 20 p0171 p0400 p11 p1 maf sensor mazda 626 v fix it angel fix it angel. Ive had the mil light coming on, on my ford focus 1. I replaced the lambda probe, and after 200 km there are errors p03 and p11. Weve put the owner manual from your glovebox online ford owner. I have removed my front o2 sensors to visually check them for build up, they are clean. And to keep the engine running properly, the ecm engine control module measures the oxygen content in the exhaust through o2 sensors and compensates any imbalances of the right mixture. All of chiltons online content for the 2002 ford focus is updated monthly, so youll have the most recent information on hand for any doityourself project. Available with myriads of engines options and trim lines, the focus is one the bestselling cars from ford both in america and europe. With this ford focus workshop manual, you can perform every job that could be done by ford garages and mechanics from.
You can find the oxygen sensor that reports this condition in the exhaust pipe for engine bank. View and download ford focus 2002 o wners manual online. Always changed the oil, new battery in it, the works. This webpage contains 2001 ford focus owners manual pdf used by ford garages, auto repair shops, ford dealerships and home mechanics.
P11 oxygen sensor 1 bank 1 ford ericthecarguy stay. This is a commonly known problem with vehicles of this age. Ford delays production of 2021 bronco sport the online publication is claiming to have supplier information. A few months ago the car started stahling out on me when i would come up to a stop light or would put the car into reverse or drive. We use cookies to give you the best possible experience on our website. P11 ford lack of upstream heated oxygen sensor switch. May 08, 2007 you still have to perform manual test procedures to identify the cause of the problem. Dtc codes detailed descriptions focus fanatics forum. A focus can be bought either as station wagon or sedan.
Car 2002 ford focus svt, the code that is coming up is p11 and its running lean what could be done to fix this answered by a verified ford mechanic. View and download ford focus 2002 owners manual online. Apr 30, 2012 i am working on a 2002 ford taurus with a 3. I was tolod that the o2s that ford puts in get full of junk and dont read anymore.
What that service engine soon or check engine scary light. My girlfriends car, which is a 00 zts focus, starting sputtering and missing a while back and we didnt know what was happening. Lack of ho2s switches, sensor at lean limit conditions. Ford focus error code p11 ask honest john honest john. Our list of 5 known complaints reported by owners can help you fix your 2002 ford focus. Jul, 2016 trouble code fault location probable cause. It all began from europe, whereas in america and australia the customers had to wait until 2000 and 2002 accordingly. All of these p11 p1151 p0171 p0174 codes indicate a problem with a lean condition. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. Learn what does p12 2002 ford f150 lack of upstream heated oxygen sensor switch sensor indicates rich bank 1 means, location and how to repair. Your vehicle might vary, so always check with your vehicles service manual before. P11 2002 ford f150 description the heated oxygen sensor ho2s monitor is an onboard strategy designed to monitor the ho2s sensors for a malfunction or deterioration that can affect emissions.
Ford focus service repair manual ford focus pdf downloads. Do not scratch or gouge aluminium sealing surfaces. P11 ford meaning the heated oxygen sensor ho2s monitor is an onboard strategy designed to monitor the ho2s sensors for a malfunction or deterioration that can affect emissions. Below is a recent question from a blog reader from our original ford p11, and p1151 post from several years ago. P11 lack of upstream heated oxygen sensor switch sensor. What could be better than a highquality ford focus repair manual offered with an amazing low price guarantee. What is causing p11 and p1151 codes in a 2002 f150.
So i pull it and clean it with some carb cleaner and reset the computer. Reason for ford focus p12 and find the solution for the code ford focus p12, well give to how to fix ford focus p12 trouble code problem. P11 2002 ford f150 lack of upstream heated oxygen sensor. P11 indicates the fuelair ratio is correcting rich for. Diagnostic code p2195 and p11 for ford focus fixya. Install the timing belt guide and the crankshaft sprocket.
This engine is known for vacuum leaks, so before you start throwing oxygen sensors at the problem, it pays to perform some diagnostics. I am getting loss of power, rough idling and poor fuel economy. Then it gave the engine light a few days later which was the p11 code. Specifically, its the first sensor h02s1 bank1, sensor 1 or the one on the cylinder 1 side of the engine and closest to the exhaust manifold. The check engine light came on so i checked the code and it came up with the code p1151. In a nutshell, error code p11 on your ford vehicle indicates a trouble in your o2 sensor. It has a full tank of gas, filled it up that morning. Code p11 can be caused by a vacuum leak, fuel injector problem, ignition problem or by a. Access quick reference guides, a roadside assistance card, a link to your vehicles warranty and supplemental information if available.
Thus, it is important to perform manual test to pin point the root cause of the problem. If the p11, p1151 and p0300 codes are all set at once, id look over the vacuum lines very closely, listening for vacuum leaks and looking for collapsed elbows and other vacuum lines. When this code appears it is because the oxygen sensor that is closest to the engine is. Its throwing up code p11 lack of upstream heated oxygen sensor indicates lean bank no 1. Print, read or download a pdf or browse an easy, online, clickable version. If it is how do i know for sure which one to replace. P11 ford description the heated oxygen sensor ho2s monitor is an onboard strategy designed to monitor the ho2s sensors for a malfunction or deterioration that can affect emissions. P11 is an oxygen sensor code that is common on ford six and eightcylinder vtype engines. I was wondering what the usual suspects were for this code. P11 meaning the heated oxygen sensor ho2s monitor is an onboard strategy designed to monitor the ho2s sensors for a malfunction or deterioration that can affect emissions. P11, lack of upstream heated oxygen sensor switch sensor indicates.
P11 ford auto trouble code with all car models auto. How do you adjust the manual driver seat in a 2012 ford escape. View and download ford 2003 focus user manual online. What is causing p11 and p1151 codes in a 2002 f150 answered by a verified ford mechanic. The check engine light goes out and a week or so later, the light comes back. Below you will find free pdf files for select years of your ford focus automobile. Find your 2002 ford focus repair manual right now at chilton. Dtc codes detailed descriptions jump to latest follow. I need to do mine but im to lazy and dont feel like getting under the car yet. Additionally, when your vehicle is in for service or repair, ford motor company, ford of canada, and service and repair.
Bosch is the way to go and that sould take care of the problem. Ford focus parts online shop of original focus spares. P11 lack of ho2s switch sensor indicates lean p11 ford obdii trouble codedescription. Ford taurus questions how do i fix the code p11 cargurus. The explantion that is on it is bbecm detected bank 1 02 at its lean limit. P0171 p0400 p11 p1 maf sensor mazda 626 v fix it angel fix it angel. Aug 12, 2004 p11 airfuel meter sensor thats the code i pulled at autozone. Download your free pdf file of the 2001 ford focus on our comprehensive online database of automotive owners manuals. Lack of ho2s switch sensor indicates lean ford, lincoln, mazda, mercury swirl.
Do not use abrasive grinding discs to remove the gasket material. Wise auto tool blog mercury or ford p11, p1151, p0300 codes. Required fields are marked comment name email website. P11 indicates an issue with one of your oxygen sensors.
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