Refer to , Powertrain Control Software, Fuel Trim for more information. It's a very common problem for the Ford Windstar. Any and all suggestions would be great. I have been researching online and asked a couple of mechanics on what to do to pinpoint the problem with my truck, im a bit newbie when it comes to cars but I dont have that kind of money to have it repaired, this is what I have done so far. Its an old wagon with over a quarter million miles on it.
A negative number tells you that it's injecting less. If you don't find them, put a vacuum gage on it can check. My truck ran great once again and check engine went out. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. Some things for you to look at P0174 - System to Lean Bank 2 The Adaptive Fuel Strategy continuously monitors the fuel delivery hardware. The P017X codes mean your ox2 sensors are picking up a lean burn condition.
This would allow more air into the engine. Intake Manifold Gasket Leaking If the engine is a V8 or V6 and only one side or bank is reporting a fault code it could be a leaking intake manifold gasket or leaking manifold. Ford expedition p0174 diagnosis meaning drivetrain, The p0174 code on a ford expedition will often be thrown if the fuel injection system is not operating properly. That was about 1:00 this afternoon and I haven't heard back yet. You have to reach far far back with left arm only. Misfires are usually bad spark plugs, but could possibly be caused by insufficient fuel. He's covering his butt by changing egr valve and gasket.
If I knew what it was, anything short of ripping the intake off I would do myself in the parking lot. You can't see it, but you can definatley trace it back by following that tube. Any thoughts should I try fuel filter first rough idle Lane 24 you called it! Or you might be able to just replace the elbow itself. If it an get me there and back on 3 tires and a Shinn Fu floor jack. Important Suggestions And Tips Tip 1: You'll need a scan tool that has Live Data capability to take advantage of my tips and suggestions in this article. They both have the same symptoms and the same cures. I have a 1998 Ford Expedition Eddie Bauer 4X4 5.
Please choose which areas of our service you consent to our doing so. The next step is to check for vacuum leaks. It's a very common problem for the Ford Windstar. In other words, they are only describing a condition in which the Computer is seeing an unmetered amount of air entering the engine, that no matter how much fuel it dumps into the engine , it can not compensate for it. This is the one causing the diagnostic trouble code. Expedition P0174 Code Symptoms The P0174 code on a Ford Expedition will often be thrown if the fuel injection system is not operating properly.
In case you're wondering what the heck Long Term Fuel Trim is. My expedition giving codes p0171 p0174 , My expedition is giving me codes p0171 and p0174 which means system too lean on bank1 and bank 2 3 answers. Lane I saw a post you had written about the little elbow hose sitting up against the firewall at the back of the motor. The normal values should be moving between a positive and a negative value. Apr 22, 2009 P0171 is system too lean bank 1, P0174 is too lean bank 2, and 302 is misfire bank 1. Then I just followed it with my hand the best I could with the motor now running so be careful!! The Engine Control Module calculates the necessary compensation to correct the offset between the actual and the theoretical ratios.
The Code 0355 is saying the wire for the coil in number 5 cylinder is bad or the coil for that cylinder is bad. Do you have any advice for actually getting the new hose back on? I even tried adding some oil to the hose which then made it slippery and I dropped it into the area of no mans land on top of the block. It's possible but highly unlikely that P0171 and P0174 codes are the result of faulty O2 sensors. . Was thinking since I got a good mechanic I trust and with that age, all the hoses etc. My undestanding was not unklie yours, I thought it had all the codes on it and the light would come on when it reconised the code was interupted? One of the most common trouble codes with the Ford Expedition is the P0174 code. Tip 2: Some of my testing suggestions involve tests with the engine running, this means you've got to be on your toes and alert.
If your vehicle is an older model with a non-electronic Fuel And Air Metering, you can check the distributor cap to see whether the spark is getting from there to the coil and on to the spark plugs. The code is often accompanied by the , which has the same set of symptoms, but is for bank one. Lol Wife put up with it for 3 winters though. This bank is the one on the passenger side of the engine see the illustration in the image viewer. Only then would a too-lean mixture be returned and logged as a fault P0171. Also, the computer will run validation tests on the readings of the O2 sensors before looking at fuel trim adjustments. Changed that and its running great.
You can not disconnect the intake air duct Hose while the engine is running from the Throttle Body to spray carb cleaner into the throttle while the engine is running. The only change was the weight of my wallet!! The 90 fitting at the top rear near firewall on the pcv line was split. Here is a discussion of their meaning and their common causes. We have a 2000 that I think needs the intake gaskets too. Try to listen for a whistle or hiss under the hood with the engine running and visually inspect all hoses and connections. Now my problem began there.