If the problem persistss the front oxygen O2 sensor may need to be replaced. Maybe I'll just replace those hoses anyway. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Next, look at the fuel trim values while the engine is running. I visually inspected the hose, and there were some tiny cracks in it, but I sprayed it with carb cleaner and it didn't seem to make a difference.
There is also a little trick with carb cleaner spraying it around the heads and and intake listening for the engine to rev but I am not too familiar with that. Also recheck your vacuum hoses particularly on the back side. You may be wondering where Bank 1 and Bank 2 are located on your Ford 4. If you're on a tight budget, start there, but that may not be the fix for certain. Thank you for using FixYa, have a nice day.
What is Intake or Vacuum leak? Driveshaft: Purpose is to connect the transmission to the rear axle. This youtube video is a great resource for diagnosing the P0172 trouble code in your Mustang. Replacing the the elbow with a suitable replacment from the auto part misc parts cards display had it running smoothly and the O2 sensor switching properly. How the code P0171 is diagnosed: With a good scan tool that shows the live data diagnosing the code P0171 is fairly easy. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. It cam up with P0171 and P0174. Helpful Information Common Misconception: When an engine misfires, the cylinder runs lean, not rich, this is because the air to fuel ratio favors air by 14x.
If your engine has a fuel delivery problem, the fuel trim values will become more positive as engine speed and load increase. Rear axle differential: Purpose is to change the angle of motion from engine to the wheels. When the oxygen sensor is bad, it can cause a false reading and trigger the code. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Look up your code definition. Thank you for using FixYa, have a nice day. Transmission: Purpose is to match engine speed to road speed.
For most people the first sign that anything is wrong at all is the service engine soon light coming on. If there is a link to a specific diagnosis strategy for the code then follow that and start testing. Take a look around and see if you can find the vacuum leak. Aug 22, 2012 Hi there: Basically this means that an oxygen sensor in bank 1 has detected a lean condition too much oxygen in the exhaust. Below you will find the most complete list of Ford trouble codes available.
The vapors can leave a waxy coating on the sensor wire. Steering: Purpose is to direct vehicle in the required direction. But the evap purge hose was routed very close to this area and may have seen heat. If you're on a tight budget, start there, but that may not be the fix for certain. Related Articles: Be sure to visit our other websites:.
The power distribution box contains high-current fuses that protect your vehicle's main electrical systems from overloads. They will provide valuable info! I went to Autozone and had the codes read. I also replaced the Mass Air Flow sensor, spark plugs, and cleaned my air filter with no result. We are the oldest and largest V6 Mustang forum on the internet. It consists of a ring and pinion gear, carrier, bearings, crush sleeve and axle shafts.
If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. Driving a car with the code P0171 can cause more damage to your vehicle over time, as when the engine runs lean, the combustion temperature is much higher. P0171 Ford Tech Notes If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. On Ford some models dirty air filter, and dirty or faulty air flow sensor are the cause of the problem. It consists of master cylinder, brake booster vacuum or hydraulic , calipers, drums, pads and rotors.
This code is triggered by the first downstream front O2 sensor. Consult your service manual for it's location if you need help. It consist of oil pump, pan, filter and cooler. Mustang P0172 Code Symptoms The P0172 code on a Ford Mustang will often be thrown if the fuel injection system is not operating properly. This code is triggered by the first downstream front O2 sensor. Please, anyone that can help I will greatly appreciate anything you can tell me! It means that the motor is running with a rich condition. This youtube video is a great resource for diagnosing the P0171 trouble code in your Mustang.