But a few videos mistakenly treat the wrench light as the oil reminder light.
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Many YouTube videos show how to reset the oil life on Ford vehicles. Some people confuse the wrench light with an oil change reminder light. Read Also: How to clean the Throttle Body?, Ford Idle Relearn Procedureĭon’t confuse with the oil change reminder light So, if it’s dirty, clean up the ETB with an appropriate cleaner and perform the idle relearn procedure. When it happens, the computer turns on the wrench light and puts the engine into the limp home mode. A carbon build-up and sticky gunk inside the ETB can affect the movement of the throttle plate and confuse the computer finding the right throttle position. Getting DTCs is one thing you must do when the wrench light comes on, and checking an electronic throttle body (ETB) is another, especially your vehicle has a lot of mileage. For selected manufacturers including Ford, you can get all these codes. BlueDriveris an OBD scan tool that works with a smartphone’s app. But now you can buy one for a fraction of costs. It used to be that only professional-grade scan tools which cost thousands of dollars could get all these codes. If you are considering buying an OBD scan tool, please note that most cheap OBD scan tools aren’t capable of reading the pending codes and the manufacturers specific codes, (B-codes, C-codes, or U-codes, neither.) In my experience, most of the time, the wrench light comes with the manufacturer’s specific codes, which start with P1xxx. Even though you’re not a DIYer, this information will help a mechanic diagnose and fix the wrench light problem. From this, you can guess the cause of the problem would be in the transmission. For example, you do this a couple of times and find out that the wrench light comes on every time the car shifts to the 3rd gear. It means that you can try to find when exactly the wrench light comes on. If restarting the engine fixes the problems temporarily, you may perform self-diagnosis as long as you are comfortable to do so. So, it’s important to scan the computer and get the DTCs as soon as possible. However, as long as the problem exists, the light will come back on. In that case, turn off the engine and restart after a while, and the wrench light may disappear, and your car may start and drive as if nothing has happened. Your vehicle may be in the condition that is too hard to get to the stores because of reduced engine power. If you don’t have one, go to a local parts store, and they may scan the computer for you for free. If you have an OBD scan tool, get the codes. Pending codes don’t turn on the check engine light. The computer most likely store the diagnostic trouble codes (DTCs), even if the check engine light isn’t on. What is important is what to do after pulling over the vehicle. What to do when the wrench light comes on?įirst of all, you may not have many choices other than pulling over because a vehicle may be heavily restricted acceleration or shifting on transmission. And the wrench light indicates the related problems limited to throttle control and transmission. The difference is that the wrench light is a part of the Ford manufacturer’s own warning system while the check engine light is a part of On-Board Diagnostics (OBD) system that is standardized on all vehicles manufactured in the U.S. Two indicator lights have many things in common.
What is the difference between Check Engine Light and Wrench Light? You may see the check engine light on at the same or later on. When the computer detects on the engine or transmission, it turns on the wrench light. The meaning of the wrench light roughly the same as the check engine light.
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