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Your car comes standard with a tire pressure monitoring system (TPMS). This system is responsible for monitoring the pressure in all four tires (but not the spare). If it detects low pressure, the Low Tire Pressure Light on the dash...
Hi, If you have had a brake master cylinder or brake booster installed recently the problem may be due to the installer not adjusting the push rod on the brake booster. The push rod may be pushing on the master...
Hi. The Ford security system has multiple modules that all need to have the same key code saved in order to start the engine. If the unit was flashed at the factory without being inside the car, there is a...
Hello. It sounds like the battery is weak and does not have enough power to start the car. Even though the lights come on in the dashboard, it does not mean that there are enough volts for the battery to...
Hello, thanks for writing in about your Ford Fiesta. You need to check to see if the clutch starter interlock switch is making contact. If the clutch switch (https://www.yourmechanic.com/services/clutch-switch-replacement) is bad then you need to have it replaced. If you're...
The DTC P0740 (https://www.yourmechanic.com/article/p0421-obd-ii-trouble-code-torque-converter-clutch-circuit-malfunction-by-andrew-quinn) is for a "Problem in Lock-up Control System". This code means that there is most likely a problem within the transmission. It could also possibly be caused by a wiring issue or a control module. It...
Hi there. When the refrigerant was recharged, was the system evacuated and a vacuum test performed to ensure there are no leaks or moisture in the system? It sounds like the AC compressor may not be engaging. A blown fuse...
Hello, thank you for writing in. These situations are understandably questionable. The service providers at a lot of common oil changing and tire repair centers will quote you for a variety of things that can be updated. This does not...
Hi Jesus. Thanks for sending in your question. The P0128 code means that the engine coolant is not getting warm enough, fast enough. In other words, there is a problem with the engine operating temperature not being reached within a...
Sensors Sensors for autos have many of the same characteristics that other types of sensors do – they are created to detect a signal, respond to chemical or physical variations such as distance or temperature. These signals are then converted...
The The engine’s performance is largely based on temperature measurements performed by the engine control module (ECM), also known as the vehicle’s computer. As the temperature of the engine increases, the resistance decreases which means the voltage drops. The computer...