How To Fix P00A4 Code - Charge Air Cooler Temperature Sensor Circuit - DIY Repair Guide
Автор: Car Cure
Загружено: 2026-01-11
Просмотров: 6
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In this video, we tackle the P00A4 diagnostic trouble code that affects turbocharged vehicles like Ford, Chevy, and Toyota. This code indicates an intermittent issue with the Charge Air Cooler Temperature sensor on Bank 2. We explain how the intercooler system works to densify air for better power and what happens when the PCM gets bad data. You will learn how to inspect the CACT sensor and wiring for damage that causes limp mode or poor fuel economy. We walk you through using a scan tool to monitor sensor values and performing a drop test. We also cover how to use a multimeter to measure resistance and check for the 5-volt reference signal. Whether you have a faulty sensor or a wiring break, this guide helps you diagnose the root cause and get your turbo system running right.
#obd2 #car #errorcode
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