Bad Inertia Switch. 0 Ranger was having intermittent no start issues, no fuel pump.

0 Ranger was having intermittent no start issues, no fuel pump. If your not getting 12v to the inertia switch on either wire then you're not getting power from the fuel pump relay. I also describe where it is and how to test it. Steve takes the sensor apart to show the moving parts inside and to explain how it functions, both mechanically and OBD-II DTC B2172 - Inertia Switch input Circuit Open - Learn how to fix it with our step-by-step diagnosis & repair guide. Please like and subscribe for more content! The inertia switch, also known as a crash switch, is a crucial safety component found in most modern vehicles, including your Ford F-150. Its primary function is to shut off the fuel pump in All of the above would set off the faulty inertia switch or fuel cut-off switch. You know where it is now so if it stalls again, reset it, drive to parts store, and My '03 4. I Show how to perform a voltage drop test on Ford's Good universal inertia switch: https://amzn. A video on what an inertia fuel cut off switch is and how it works. Read the article to know possible causes, symptoms, and descriptions. In summary, the main symptoms of a bad inertia switch include the engine not starting, the engine stalling or cutting out, the fuel pump not running, inconsistent engine performance, and warning lights Test the inertia switch to determine if it is functioning properly. to/3arJvpw Here is a simple way to bypass your inertia switch on an older Ford. If a fuel pump won't turn on with ignition, it could be a dead fuel pump or something as simple as a triggered inertia switch, among other things. Please see the video below to see some of the times the engine cut out randomly. If faulty, replace the switch with a new one. My 306 2. Now whether that's a broken/corroded This is a follow-up video to my "Air compressor motor troubleshooting - bad start capacitor switch" video that can be found here: • Air compressor motor troubleshooting Part more The Fuel Pump Inertia Switch shuts off power to the fuel pump in the event of a crash, but what happens when it stops working. This is an inertia switch (sometimes called an impact sensor) out of a Ford. This video is applicable to 01 Ford 1. 1A Auto shows you how to repair, install, fix, change or replace a damaged, worn out, faulty or shorted intertia switch. Clear the DTC from the Commonly referred to as the inertia switch, the fuel pump shut off OBD-II DTC B2172 - Inertia Switch input Circuit Open - Learn how to fix it with our step-by-step diagnosis & repair guide. Also please full diagnostic video on the car in the link. Diagnose and clear this code with the right OBD2 tools. Found that the inertia switch was bad. Instead of blindly replacing it, there is an easy way to check if it's causing a problem. more A bad inertia switch could be triggered by hitting a bump or tapping your foot to hard on a good song. If a fuel pump won’t turn on with ignition, it could be a faulty fuel pump relay, a bad ignition switch, or a triggered fuel cut-off switch, also called an inertia switch. If ymore How Do I Know If My Fuel Inertia Switch is Bad? To determine if your fuel inertia switch is bad, you should first check the wiring. Code B2172 stands for Inertia Switch Input Circuit Open. Check for loose connections in the circuit and secure them properly. 0 XSi car suddenly refused to start one day this video shows you the operation of fuel cut switch (Inertia Switch) and the procedure to reset it. Why Knowing the Inertia Switch Location is Important The Mustang inertia switch location is crucial knowledge for any Mustang owner for several reasons, primarily centered around This switch is also commonly referred to as the inertia switch or fuel pump reset switch. This is useful when troubleshooting your electric fuel pump problems. Confirming Symptoms of a Faulty Switch If the engine cranks but fails to start after the inertia switch has been physically reset, the problem likely stems from a continued lack of fuel Read this article to find out what an inertia switch is, how it works, when it needs to be replaced, and more. B2172-Inertia Switch input Circuit Open — Meaning, common causes, and fixes. If the wiring If it clicks when pressed it means the inertia switch has tripped, and a quick press to reset will allow the fuel pump to work again.

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