A code P0420 may mean that one or more of the following has happened: Leaded fuel was used where unleaded was called for (unlikely) A damaged or failed oxygen / O2 sensor. We’ll also provide a table summarizing the. You should not have a problem. Ask a question. 2. All you have to do is unplug the battery. OBD-ii Code P0171 definition: Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). #7. Code P0171 is caused by the fuel system running too lean (Bank 1). The Powertrain Control Module ( PCM) monitors the fuel tank pressure. Originally got codes P0171 & P0174 (system too lean, banks 1&2). P0455. you can buy a can at any auto parts store to clean, take off and clean maf sensor, do not touch inside of sensor it is very fragil. ive cleaned the maf sensor and reset the computer in it by disconnecting the battery. Replaced the following: all 4 O2 sensors, MAF, throttle body, EGR system, PCV system, air system, all upper gaskets, headers, camshaft sensor, crank position sensor, fuel pump/filter, and various other sensors tied into the fuel and air delivery system throughout the truck. SOURCE: 2000 ford escort ZX2 with P0171 trouble code. PCM's Adaptive Fuel Strategy has reached its Rich calibrated limit for bank 1. 4L equipped car, pick up, van or SUV. 0 hour of labor. Sensor malfunctions or wear. Grab and shake it so you can feel if anything is loose. A clogged or damaged fuel injector will cause the air-fuel mixture to lean. Canadafix. P0171 indicates a lean reading on the Bank 1 O2 sesnor. The cost to diagnose the P0141 Ford code is 1. 0L SOHC. The 4. 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. P0401 2002 egr answers insufficient sparkys1996 ford f150 5. 3 helpful. p171 code - 2002 ford escort zx2 P 171 code changed sensors, pvc valve and hose replaced MAF,downstream, fuel filter, about $1200. 0 hour of labor. I got two codes at the same time: 1. The P0171 code means that more air than gasoline is detected in the exhaust gases exiting the combustion chamber. heres all the symptoms. 0l 4wd a3a egrI have a 2003 ford ranger edge 4x4, 4. ORIGINAL MESSAGE: Ok, just had the engine. Web this diagnostic code is commonly found in ford vehicles such as the explorer, ranger, f150, escort, and mustang. I can't find the position of the Crankshaft Position Sensor on the 1998 Ford Escort ZX2 2. Causes. The P0171 is a diagnostics trouble code that indicates a problem with the lean air to fuel mixture on bank 1. Labor: 1. 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 lean. Automatic. The engine mixes fuel and air, and the O2 sensor calculates the volume of oxygen in the exhaust. Posted by jcortiz1681 on Sep 24, 2009. SOURCE: 2001 ford escort 4 dorr. I am working on the same problem. If they appear together, it reduces the list ofBank 2 is the engine bank that holds the spark plugs for cylinders 5, 6, 7, and 8. I have a 2002 Ford f-150 4. clean MAF sensor. 6 diagnostic code (po356--po357--po358) I can''t find. Since code P0171 is caused by an issue with the engine’s combustion chamber, you will mostly notice that the check engine light comes on in your. Monday, February 4th, 2019 AT 3:43 PM (Merged). 0 hour of labor. Although there ARE instances where intake gaskets, among other issues, are the cause the overwhelming majority of these codes. 85240 Answers. What this means is that it is reducing the amount of fuel it can inject to its bare minimum in this bank of cylinders. deleted two codes p0171 and p0174. stall. #1. A code P0171 may mean that one or more of the following has happened: * The MAF (Mass Air Flow) Sensor is dirty or faulty. 0 hour of labor. Suele implicar que un sensor de oxígeno en el banco 1 ha detectado una condición de mal funcionamiento, es decir, demasiado oxígeno en el escape. 0L. The oxygen sensor is usually located connected to the catalytic converter. If you have one or more fuel injectors that have gone bad, that can cause. Remove the MAF sensor. The exhaust gas recirculation (EGR). Starts 1st crank, idles rough 1 minute? Or so and then smooths out and runs fine. The cost to diagnose the P0171 2003 Ford Escort code is 1. Faulty Ignition System Components. 0. Cleaned MAFS, installed new EGR tube, installed new PCV valve and tube, installed new purge canister (all had damage/leaks). I'm getting codes p0171, p0174 &p0420. A p0171 is bank 1 running lean code. 27,894 satisfied customers. Ford windstar 2002, p1504, p0171, p0174, car stolen, misfiring, egr is good, maf sensor good too, when I disconnect IAC - Answered by a verified Ford Mechanic. Qué significa code DTC P0171 Ford en español. koda2000 said: if it was the fuel pump I would think you'd see P0171 along with P0174. Four cylinder inline engines are numbered 1-2-3-4 beginning on the timing belt end. I replaced the sparks plugs and wires because it had not been done in a year and a half, and the truck was starting to run rough. V6 Engine. 11,511 satisfied customers. its a 2. 2002 ford f150 code p0171 2001 ford escape 3. Ford Mustang convertible -1998 - Getting P1131 code. 0 i have no power to the ac compressor 02 ford escort 2. Most auto repair shops charge between $75 and $150 per hour. slowing. stalling. 16746 2000-2002 focus, escort all 2. No codes until middle of summer, then started getting just the P0420 code. 2L, V6, with about 141,000 miles on it. 8 , will not idle , check engine light came on , codes were P1121 ,P0174 , P0171 , U1260 , need help figuring out what is wrong , already changed the throttle Air Bypass valve IAC. This 2000 ZX2 was idling rough and throwing a p171 code (bank 1 too lean). I removed and cleaned the MAF sensor (it looked clean, but I used the MAF spray anyway), but the code came back after a day. All you need is a multimeter. The word ‘lean’ refers to the deviation in the ideal air-to-fuel ratio, which is 14. . Diagnostic strategy to troubleshoot Codes: P0172, P0175. Repair Urgency: Get this code fixed as soon as possible to avoid damage to spark plugs, pistons, and catalytic converters. Try cleaning the MAF first and check the PCV valve itself. You may see a cylinder misfire code or fuel injector-specific code with P0171. change fuel filter. egr Valve myself. P0171 Ford P0174 Ford . P0171----- system too lean bank#1 Po174----- system too lean bank#2 For these 2 codes, try cleaning the maf sensor (mass air flow), that is mounted in the big black hose that goes from the air filter housing to the throttle plate, if it is dirty, that will cause those 02 sensors to send a signal to the computor to lean the air fuel mixture. If bad enough, a lean fuel condition may cause lean misfire, a. The P0171 is bank one of the engine is running lean,usually caused by a vacuum leak, P0420 is catalytic converter efficiency code. Do both sides,clear codes & if they come back, check for vacuum leaks. 6. P1125 Throttle Position Sensor Intermittent. . With only one bank shifted, it's not something common to both banks like a vacuum leak or the Mass Air meter. 0L sedan. If you have one or more fuel injectors that have gone bad, that can cause. Downstream oxygen sensor (HO2S) wiring damaged or connected improperly. I have a 1999 Ford Escort that is throwing code p0171. 2001 Ford Windstar SEL-We would like to show you a description here but the site won’t allow us. What is the Cost to Diagnose the Code P1131 Ford? Labor: 1. 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. (the one closest to the engine on bank 1) 6 Answers. 7/8/2007 2004 Ford Explorer: ride. Search for: Ford OBD Codes. Check Details Ford bank location sensor p1131 engine e250 code v6 where 1998 qa h02sI have a 1999 Ford Escort that is throwing code p0171. Checked vacuum hoses, cleaned then changed MAF, changed upstream 02 sensor, changed fuel filter. First, inspect your electrical system to determine if there’s an issue. A P0171 code appears in the engine control unit when the oxygen sensor on bank 1 recognizes too lean of an air-fuel mixture for the sensor to correct it. Look for any signs of wear, damage, leaks, or contamination. 2. Browse Categories Answer Questions. . 2006 Ford Taurus: hooked up a obd2 code reader. please note that the escort came with two engines i have enclosed both belt diagrams, you can use the diagrams to find yours by looking at the pulley locations or using the engine vin # located on the diagram, to find yours you will need to count the vin # of your car, this is located on. 1 V and 0. 6 with p0171 codeP0087 ford focus. 2002 Ford Mustang: GT. Carburetor or throttle body cleaner. Cant get my 99 Ford Escort ZX2 to pass inspection because of not ready codes. I have a 2001 ford escort that is displaying 3 codes p0171, p1506 andp0751. P0171 p0174. So your car’s CEL (always check Engine Light) is on and also you had the codes scanned at a local parts shop. El código P0171 significa que el sensor de oxígeno (O2) en el banco 1 reconoció una mezcla demasiado pobre para corregirla. Nov 20, 2007. P0171 Ford escort ZX2 2001. 2001 Ford Escort has OBD ll code P0171,changed O2 sensors,fixes 2 small vaccume leaks,replaced fuel filter, still get check engine light same code!!!I have a 2001 Ford Escort ZX2 with codes P0171 and P0352 coming up on the computer. Several. 99 Mercury Mystique: cyl. 4l diesel. edu on 2021-11-25 by guest Light and After - Kobus Moolman 20101983 - 2012 Ranger & B-Series - 2. That means the car computer noticed the engine is running lean. I have a 2002 Ford Focus wagon. There is either too much air or not enough fuel in the lines to create the right ratio. Diagnosis: A multiple misfire can be caused by. P0171. 2011 • 1996 Ford Escort 4 Door. That is full of rusted holes. /. When it is warm out it idles to slow when it is colder it idles faster problem is worse when engine is warm. 0 hour of labor. My 2002 4. Ford Escort ZX2: I have a 2001 Ford Escort ZX2 with codes P0171 I have a 2001 Ford Escort ZX2 with codes P0171 and P0352 coming up on the computer. If you find a hose with a softened, hardened, or damaged spot, replace it. I am working on the same problem. I took it in and the fixed my mass airflow sensor. 566 views. Most auto. Quick links. Most auto repair shops charge between $75 and $150 per hour. The cost to diagnose the P0133 Ford code is 1. p0340. HO2S-21 = DTCs P1151, P1152 and P1150. 6. Ford Cars & Trucks; Open Questions: 0 answers. Be the first to answer. Read full answer. Need to Pass Inspection - P0174 & P0171 codes. Ford expedition engine code p1131 P1132 ford p1131 codes source forum P1131 o2 sensor code help forums ford explorer99 escort zx2, P0171 code, replaced plugs and wires, fuel filter, air filter. P1131 Ford Code: P0171 And P0174. 6L, 5.