Ford Forums

The P1131 code in your Ford indicates that the oxygen sensor is detecting a lean condition (too much air, not enough fuel) in the engine’s exhaust system. This code can cause poor fuel economy, rough idling, and reduced performance. Here’s how to troubleshoot and fix this issue:

• Check for vacuum leaks: A vacuum leak is a common cause of a lean condition. Look around the intake manifold, hoses, and connections for any signs of a leak. Use a smoke machine or spray some carb cleaner around the hoses while the engine is running – if the idle changes, you’ve found the leak.
  
• Inspect the MAF sensor: The mass airflow sensor can sometimes become dirty or faulty, causing incorrect air-fuel readings. Clean the sensor with MAF cleaner (don’t touch it with your hands!) and see if that fixes the issue.
  
• Check the fuel injectors: A clogged or malfunctioning fuel injector can cause a lean condition. If you suspect this, try running a fuel system cleaner through your tank or have the injectors inspected by a mechanic.
  
• Replace the O2 sensor: If all else fails, the oxygen sensor itself might be faulty. Replace the sensor with a new one to see if it clears the code.
  

The P1000 code in your Ford usually means that the vehicle’s OBD system hasn’t completed its readiness checks after a battery reset, a diagnostic tool use, or simply disconnecting the battery. While the P1000 code doesn’t point to any specific problem, it will prevent your vehicle from passing an emissions test until the system completes its cycle.

Here’s how you can fix it:

1. Drive cycle completion: The fastest way to clear this code is by completing a Ford-specific drive cycle. Follow these steps:
   

• Start the engine when cold. Let it idle for about 4-5 minutes with the air conditioning and rear defroster on.
  
• Accelerate to 45 mph under light throttle. Keep a steady speed for about 5 minutes.
  
• Decelerate without braking (coasting down) to 0 mph. Then, let the engine idle for another 5 minutes.
  

So, my 2013 Ford Expedition is showing a P0430 code, and I’m afraid it might mean the catalytic converter is toast. I know cats are expensive, so I’m wondering if anyone has had luck fixing this without replacing the converter? Could it be something like an O2 sensor or something else that’s tripping the code? Any advice would be appreciated!

I’m getting a P0171 code on my 2015 Ford Escape, and it says the engine is running lean on Bank 1. The car’s idle is rough, and my fuel economy has taken a nosedive. I’ve checked the air filter and cleaned the MAF sensor, but I’m still getting the code. Could it be a vacuum leak or a bad fuel injector? Any ideas on where I should check next?

The P0141 code indicates a malfunction in the O2 sensor heater circuit, which can lead to incorrect readings from the sensor. This typically happens when the heater element in the oxygen sensor fails, which means the sensor can’t warm up to the correct temperature to take accurate readings. If you’ve got this code on your Ford, here’s how you can troubleshoot and fix it:

1. Check the O2 sensor wiring: Look for damaged, frayed, or corroded wires leading to the sensor. A bad connection could be the cause.
   
2. Test the O2 sensor heater circuit: You’ll need a multimeter to check the resistance across the heater element terminals. If the resistance is too high or low, it means the heater has failed.
   
3. Replace the O2 sensor: If the heater circuit is faulty, you’ll need to replace the entire oxygen sensor. Make sure to get the correct sensor for your engine type.
   

Hey guys, my 2001 Ford Taurus is throwing a B1352 code, and I’m having trouble figuring out what’s wrong. I’ve read it could be related to the ignition switch, but I’m not sure if that’s the only thing I should be looking at. The car has been acting a little weird when starting, like it takes longer than usual to crank. Has anyone dealt with this code before? What should I check to figure out what’s causing the problem?

My 2017 Ford Edge has thrown the P1450 code for “Unable to Bleed Up Fuel Tank Vacuum.” The car’s performance hasn’t changed, but the light is annoying. I’ve tried checking the gas cap and making sure everything is tight, but the code won’t go away. Anyone else had this problem? How did you fix it?

My 2013 Ford Fusion is showing the P0174 code (System Too Lean, Bank 2). I’m not noticing any major performance issues, but the car has been running a little rough, especially at idle. Any idea what could be causing this? Vacuum leak? O2 sensor? Looking for advice on where to start diagnosing.

I’m getting a P0401 code on my 2006 Ford Escape – Exhaust Gas Recirculation Flow Insufficient. I already replaced the EGR valve, but the code came back after a couple of weeks. Could it be something else, like clogged passages or the EGR sensor? What else should I be looking at?

For those who’ve lost their keyless entry code and need to retrieve it, Ford makes it a bit easier if you have the VIN number. First, check the glove box or the owner’s manual – sometimes the code is written on a card inside. If not, follow these steps:

1. Look at your vehicle’s paperwork for the VIN number.
   
2. Visit a Ford dealership or call their customer support line.
   
3. They might ask for proof of ownership, so have your ID and vehicle registration handy.
   
4. Once verified, the dealership can provide you with your keyless entry code using the VIN.