It's both useful and empowering to know how to fix your own car. Whether you need to test the condition of your car battery, fix your AC, or simply change your tires, learn how with these step-by-step tutorials.
* Open/closed loop feedback control of the air/fuel mixture. The PCM may ignore the oxygen sensor rich/lean feedback signal until the coolant reaches a certain temperature. While the engine is cold, the PCM will remain in "open loop" and keep the fuel mixture rich to improve idle quality...
the tool will display any trouble codes that are in the Powertrain Control Module (PCM) memory. There may be only one code, or there may be multiple codes. Basic code readers may only display a number, which you then have to look up in a reference book or online to find out what it...
It's both useful and empowering to know how to fix your own car. Whether you need to test the condition of your car battery, fix your AC, or simply change your tires, learn how with these step-by-step tutorials.
How To Disable & Bypass GM PassLock 1 PassLock 1 is mostly found on GM vehicles made before 2002. This anti-theft system uses a resistor pellet in the ignition key and a decoder module (TDM) that recognizes the resistance valueto enable the starting of the vehicle. Here’s how you bypa...
The Electronic Control Module -- or ECM, as it is more commonly referred to -- is a built-in computer in a vehicle that works by monitoring the associated components. Typically located underneath of the coolant reservoir, the engine ECM in a Chevy vehicle monitors emissions, fuel levels and...
In most cases when a blower control module fails, the blower motor doesn't work at all. In some cars (e.g., older GM trucks), a failed blower control module or processor can cause the blower motor to continue running even with the ignition OFF. How is the blower motor resistor ...
GM Goodwrench Videos Share: Citation More Awesome Stuff Under the Hood How the Engine Control Module Works Cars, Trucks & Engines Can You Name These Car Parts by Looking at Just One Image? Under the Hood How to Remove Engine Deposits Cars, Trucks & Engines Can You Name These Engi...
Another diagnostic code, P0033, indicates a powertrain problem. A faulty O2 sensor will cause increased emissions. Another common vehicle problem is a faulty powertrain control module. A P0106 code can mean a number of different problems, ranging from a warning light to a complete engine failure...
If your ignition is located in the dash then you will be removing the panels on the passenger underside (toe board) of the dash. The BCM (Body Control Module) is there and so are the wires we need to get too. If you ignition is located in the steering column then you will be remov...