I found the TSB summaries below that seem to apply. Also check the main air inlet hose from the air cleaner for tears. Most auto repair shops charge between $75 and $150 per hour. Ford expedition code po171 p0171 2000 escort source gearFord p0171 p0174 code solution problem forums reply Po174 po171 truck fix old2001 ford f150 po171 po174. Check all vacuum hoses for looseness or cranks, etc. spark plugs. This 2000 ZX2 was idling rough and throwing a p171 code (bank 1 too lean). 4s and 4. fuel filter. First, inspect your electrical system to determine if there’s an issue. The P0171 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. 3 Answers. Ford f 150 2006 po171 po203 - 2006 Ford F-150. any suggestions. When the P0171/P0174 code sets, look at the freeze frame data. I am working on the same problem. coming off the PCV valve with codes P0171 and P0174 (running lean bank 1 & 2). 7l Sparky's answersP0171 code 1998 idle rough trouble again still but old f150online forums. Code P0171 indicates Bank 1 of the engine has a lean fuel mixture. Leaking/contaminated fuel injectors. A Ford P0171 is a LEAN code for cylinder bank 1, and P0174 is a LEAN code for cylinder bank 2. How to Diagnose the P0141 Code Other Notes About the P0171 Trouble Code. 0 SPI and ZETEC engine. This means there is probably a plug,plug wire,ignition coil,or ignition module. 0. We have looked for vacuum leaks and - Answered by a verified Ford Mechanic. The po300 is a misfire code. Common causes include faulty oxygen sensor, mass airflow sensor, PCV system leaks, vacuum leaks, bad air filter, clogged fuel filter, faulty fuel injectors, and exhaust leaks. 0, 172,000 miles rough idle when starting after sitting overnight or after 2-3 hours. Posted by Phillip Bryant on Oct 26, 2011. The exhaust gas recirculation (EGR). 2 answers. ( fuel to lean on bank 1, and also po174 ( fuel to lean on bank 2 ). 0. A lean state happens. Clicking this will make more experts see the question and we will remind you when it gets answered. 2004 FORD F150 P0171, P0174, P0301, Misfire, and Lean Condition. 0. Automotive College. 0 hour of labor. There is either too much air or not enough fuel in the lines to create the right ratio. What is the Cost to Diagnose the Code P0301 Ford? Labor: 1. I have a 2001. Share by Email. answer. Hi 97rooqtf this is lostrider, the P0171 is a lean code usually caused by a vacuum leak or fuel starvation from a partially clogged fuel filter, on the V-10 engines the PCV hose assembly is the usual cause with a vacuum leak, need to start the truck and listen in the engine compartment for a hissing noise, you can also take some carburetor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Replaced the fuel filter and it cleared up. The specific diagnosis time and labor rates at auto repair. Over time when the engine wears, parts break, or if measuring sensors become faulty, the computer can make corrections by lengthening the on time for the fuel injectors to richen up the mixture. 2000 ford escort zx2: lean. I also noticed some carbon build up in the throttle body and it has a strong odor. P0171 - OBD-II Trouble Code Fuel System Too Lean (Bank 1) Get back on the road. If you have. In most cases, the code can be clear by disconnecting the car battery for about 30 minutes. Find auto repair near me. 0. I'm looking at a 1997 ford ranger xlt to buy for my son but it has a engine light on and got the following codes: P0174, P1443, P0171, P0401. 0 hour of labor. The P0171 code indicates that the oxygen (O2) sensor on bank 1 sent a signal to the engine control module that the air-fuel mixture is too lean to be corrected. Any advice or. 0L sedan. Replace the fuel filter. Diagonostic trouble codes reported p0171 p0174 p0302 2001 Taurus, only reports P0171. The Diagnostic Trouble Code (DTC) P0316 will be set in addition to any type B misfire DTC which occurs in the first 1000 revolution test interval, following the engine start. Hope this helps Thanks Steve W. What does this mean? Code P0171 2003 Ford Escort Tech Notes 2004 Ford Escort Note: User Submitted Video ⚠ Does your Ford have Safety Recalls? → Check here How to. Replace the powertrain control module. Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. We’ll also provide a table summarizing the. can also be caused by dirty maf though that usually causes a p0174 also still would be worth cleaning. In most cases the code P0171 is a lean code and in most cases its set due to a vacuum leak and that would also cause the high idle your getting. The cost to diagnose the P0302 Ford code is 1. You need to know this, or you may end. These codes commonly occur on many Ford vehicles, and are set when the powertrain control module (PCM) sees the air/fuel mixture is running too lean (too much air, not enough fuel). I have a 1998 ford escort zx2 and replaced the intake manifold gasket,throttle body housing gasket,spark plugs and wires,air filter,fuel filter,coil pack,timing belt. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. P0171 code on a 97 ford expedition - 1997 Ford Expedition. HelloCustomer. . P0125 is the OBD-II generic code for the engine computer, or Engine Control Module (ECM), not detecting enough heat in the cooling system before the fuel management system can take control. Step 3 – Check and Resolve any issue with Distributor assembly, like rotor or cap. Share on Pinterest. I started last winter with P0171 and P0174 only when very cold air temp. I have a 1998 Ford Escort ZX2 Sport with OBD code po171. 0L - Check Engine Light is on - Nashville, Tennessee Brandon showed up ahead of schedule, was very personable and diagnosed my problems. What is the Cost to Diagnose the Code P0171? Labor: 1. 2009-2011 Ford E-150. 1997-2002 Ford Escort. The P0171 indicates the engine is running lean,like a vacuum leak. The cost to diagnose the P0172 Ford code is 1. Reader shows P0171 and P0174, lean in bank 1&2. mwt Discussion starter. First off what kind of Escort is this? The P0171 is usually caused by a vacuum leak or dirty MAF. read more2002 Ford Escort, service light on, Fault code: P0171: System Too Lean Bank 1 - what needs fixing? - Answered by a verified Ford Mechanic. 0 hour of labor. What does this mean and how do I fix it? Tnx. 2. First thing you will need to do is make sure you have no vacuum leak's like split vacuum lines, inspect the PCV and if it over 30 miles old replace it. SOURCE: 2000 ford escort ZX2 with P0171 trouble code. Ask a question. Clean EGR Ports $ 270. I know the possible solutions for the first two codes-- but NOT P2195 and P2197 -- what is the. The exact vehicle in. 566 views. P0171 System too Lean (Bank 1) P0172 System too Rich (Bank 1) P0173 Fuel Trim Malfunction (Bank 2). I removed and cleaned the MAF sensor (it looked clean, but I used the MA. /. 97 Chevy Blazer 4. Step 2 – Tighten the Spark Plugs Connecting Wires. 15 gm/s). P0751 code for an escort,indicates a problem with Shift solenoid #1 in the trans,more testing is required for this code. 39 volt or above 3. 0 OHV vin code U. FORD: 1990-97 THUNDERBIRD 1990-99 MUSTANG, TAURUS SHO 1991-99 CROWN VICTORIA, ESCORT, TAURUS. I hooked up a scanner to the OBDII port and you could see the O2 sensor at 0 or very low voltage and not switching and the fuel compensation maxed out which indicates a. If these sensor is dirty its measurement will be off. These codes commonly occur on many Ford vehicles, and are set when the powertrain control module (PCM) sees the air/fuel mixture is running too lean (too much air, not enough fuel). If there is a vacuum leak, it can cause excess air supply to the engine bay. o2. Please post what your mechanic friend told you. Ford Escort L4-2. 6L and 5. Bank 1. On inline engines, this code is not available, since there is only one. The exact vehicle in. We use cookies to give you the best possible experience on our website. P0171 indicates that your Ford F150 is either getting too much air or not enough fuel. The cost to diagnose the P0136 Ford code is 1. 0L. The most common source of this type of leak is usually the upper intake gasket leaking. 0 Ford p0174 lean p0171 code codes f150 po174 po171 2003 escape bank source engine spark plug. I have both codes and none of the mechanics I have taken the truck to has mentioned the fuel pump. The truck runs fine, I haven't noticed any problems other than the CEL. net. There is a factory service bulletin for the following Ford vehicles: 1997-2000 Ford Contour. code po171 -system adaptive fuel too lean. P0171 codeFord p0171 explorer p0174 Fuel p0172 p0175 p0171 p0174 trimsP0171 code and rough idle. Suspected O2 sensor but not sure. PO171 PO174 The codes from HELL!!! Finally fixed. 1) changed air filter. Share on Facebook. rough idle no. My engine in my 99' ford escort 2. Ford Explorer Sport Trac Check Engine Codes PO171 (Bank 1. asked May 29, 2017 by CHASE ELSBERRY. 4L V8. Repair Urgency: Get this code fixed as soon as possible. Now I am getting a P0171 ( too lean ) code occcasionally. SOURCE: 2003 Ford Expedition check engine light on . P0174 p0171 pcv valve ford f150 codes. The P0171 OBD-II code means that, on the first bank of the engine, the fuel system is running weak or a vacuum leak exists near this side of the. There is Factory Service Bulletin for the following Ford Models: 2009-2010 Ford F-150. 0 votes . The car sometimes stalls; particularly whem using the power steering when the vehicle is stopped. Close. This condition can often be heard in the tail pipe sound. has Po171 code. The car drove better but still had rough idle. Usually answered in. fuel filter. Code P0171 Ford Tech Notes. A Ford P0171 is a LEAN code for cylinder bank 1, and P0174 is a LEAN code for cylinder bank 2. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. OBC code P0171 on a 2000 Ford Escort sedan 2. SOURCE: Ford windstar OBD II code P1537/38, P0171 and P0420 It could all be related. Cleaned MAF sensor, throttle body and air intake sensor, new IAC valve, new air and fuel filters, new PCV valve. There is also an issue with some vehicles where. 01 ford f 150 4. P0126 as well as P0128 can occur along with this trouble code. 0L - Check Engine Light is on - Nashville, Tennessee Brandon showed up ahead of schedule, was very personable and. diagnostic tool. High School or GED. Other codes or pending codes should be addressed first, as they may be related to or contribute to P0171. Keep in mind that even inline engines can have two “banks. Originally had Po171 and 174 codes. 0 hour of labor. its a 2. Some of the. 0 liter engine,the specs may differ,there was a 2. 0L sedan. . I believe with Ford once the LTFT gets above +25% for a certain amount of cycles it'll trigger the P0171. The vacuum leak may be real or it may be a. P0171: System Too Lean Bank 1. . (Or maybe used your own OBD scanner to extract the car faults). If the P0171 is combined with the P0174 code, the problem is likely caused by an intake leak or the Intake Plenum Gasket and seals. . P0171 & p0174 4.