Vacuum leak ford f150

Log in. Sign up. Jump to Latest Follow.

Truck began to misfire, sputter while driving, idle really rough, loss hp. I replaced the coil, problem solved. Loss hp, shaking, idle rough, sputtering when I drive. So I go back to auto zone today to hook up the tester again. He said it read. He told me I have a vacuum leak, not a bad coil. Do you.

Vacuum leak ford f150

Vacuum leak at rear of intake. Thread Tools. Ive got the PO and codes so I ran a smoke test and have it coming from left rear of intake, Ive tried to use a mirror and flashlight but still cant locate it exactly because of stuff in the way, is there anything else at that location that would leak? I dont want to remove the intake of course if thats not the problem. View Public Profile. Find all posts by dallasf Received 77 Likes on 65 Posts. Originally Posted by dallasf Ive got the PO and codes so I ran a smoke test and have it coming from the left rear of intake, I've tried to use a mirror and flashlight but still can't locate it exactly because of stuff in the way, is there anything else at that location that would leak? I don't want to remove the intake of course if that's not the problem. Find all posts by Stonedpony. My engine is the 4.

Next, reattach the two vacuum hoses to the solenoid they can only go one way, so you do not have to worry about switching them.

Ford F owners are generally pleased with the reliability of their Ford pickup trucks. Even so, there are a few issues that are quite common occurrences and can cause significant problems. In particular, the issue is common on Fs made between and Eventually, Ford redesigned the system to prevent it from being a frequent source of failures, which is why years and later are not affected. Thankfully, the issue on the affected models is easily diagnosed and is possible to fix without a specialized repair shop. In this article, we will tackle the IWE problem, including the diagnosis and fixes. The IWE system is crucial for the proper functioning of your Ford F and for realizing its full potential.

Vacuum leak at this spot. Thread Tools. Likes: Received 59 Likes on 50 Posts. With engine running in park with hood up I kept hearing a slight hiss. I put my hand over these double check valve looking guys and the noise stopped.

Vacuum leak ford f150

Thread Tools. Does anyone have a picture of there set up or know? Also getting horrible mpg about 10 mpg hopefully fixing the vacuum will help. Under heavily acceleration vents will switch to defrost as well. Picture attached of the house not connected coming off of the Resevior. View Public Profile.

Candy e621

Send a private message to WhiskyBadger. Please login or register to post a reply. Eventually, Ford redesigned the system to prevent it from being a frequent source of failures, which is why years and later are not affected. Welcome to the forum. They are spring-activated, and when the vacuum is withdrawn, the hubs are no longer held in place, allowing for the transfer of power. As already mentioned, it is not buried somewhere deep in the engine and is conveniently located on the firewall with great access to it. I had my hood up today while the truck was running and heard a hissing first time I've heard it but also the first time truck was running with me under the hood. Air Filter Seal. Warm idle on these trucks should be around rpm. View Public Profile. Still not a CEL and haven't seen the brake system warning again, but it doesn't come on every day before. The solenoid can be described as a vacuum switch that controls the differential lock and determines which axles are powered. After fixed, you will be able to once again fully appreciate the qualities of one of the best pickup trucks on the market. Brake Rotor Thickness. Acceleration seems fine.

Vacuum Leak - Under the Dash? Thread Tools.

No change in MPGs. Related Engine Vacuum Leak Content. Vacuum leak at rear of intake. With the engine running spray some carburetor cleaner to the base of the intake manifold. Do not use Seafoam directly into the intake manifold on these engines! I couldn't find much on it on a Google search other then the 3. Do you. I really have to get into the peddle to get it to want to move. Discuss performance mods, towing questions, wheels, tires, lift kits, and much more! Find all posts by Stonedpony. It is surprising that such a simple, yet crucial part was not included in the originally supplied solenoids. Truck began to misfire, sputter while driving, idle really rough, loss hp. Trending Topics.