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A failing ignition control module can be a real headache at times. It can produce a wide range of engine performance problems, including preventing the engine from starting or stalling the engine as you speed down the road, just to let you resume your driving a few minutes later, as if nothing had happened.


Although the ignition module is a common failure it's not the only thing that can go wrong with an old Ford. This article highlights two of the most common problems with the ignition system. Again these are a failed module or defective ignition coil.


Troubleshooting a Ford Ignition Module by Don Bowman . Introduction. Ford used the TFI ignition module (thick film ignition) on vehicles from 1983 through the mid-1990s only. ... The pulsing means the wire from the computer to the ignition control module is good and the computer is working. If it is working, the module is bad. If no pulsing is ...


The ignition is a vital component that is responsible for turning on/off the primary current produced by ignition coil. This module consists of sensitive electronic components placed inside a sealed plastic housing of the control module.


Ignition module failure is no joke because it often leaves you stranded. The complaint is the engine cranks normally, but does not start. The cause of an ignition control module failure is often associated with age and damage from heat buildup. The correction for this issue becomes the replacement of the failed component.


This article will take you step by step through the whole process of diagnosing and troubleshooting a BAD ignition control module and ignition coil. The ignition control module (ICM) and ignition coil tests in this article assume that your vehicle is Cranking but NOT STARTING due to a NO SPARK Condition.


A faulty ignition control module can cause a number of problems. 1. Check engine light is on: The ECM monitors all parts of the vehicle that could affect emissions.This includes the ignition system. If it determines the ignition module has caused a problem with the system, it will turn on the check engine light.. 2.


Wells Test sheets are available for most ignition modules. A misfire condition can destroy the ignition module. If the engine is or has been misfiring, do not install the new ignition module until after the source of the misfire has been corrected. Check the secondary ignition circuit; Plugs, Plug Wires, Coil(s), Distributor Cap and Rotor.


Electronic Ignition Gas Furnace Problems & Troubleshooting - Gas furnaces are a very popular form of heat for homes and businesses and occasionally a gas furnace needs to be repaired because of a problem with the gas furnace. Since there are many different types of gas furnaces it is difficult to cover every single possible gas furnace problem that can occur with a gas furnace in one article ....