Hey guys! Today we take a look at a 2012 Chrysler 200 with a 2.4l 4 cylinder engine. The customer complaint is that the car will randomly die or stall out. The customer also is complaining of low power or weak acceleration. Using the scan tool we find DTC P2174 Low airflow /restriction detected (Instantaneous accumulation) stored in the PCM. During my diagnostic process I ran across something very interesting. The scan tool showed that the voltage for the APP sensor 2 would randomly drop down to zero. When I compared it to the actual voltage using a graphing voltmeter, the signal was not dropping out. Is this normal? or is this something to be concerned about? Watch until the end of the video to find out!
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******************Tools used in this video!********************
LAUNCH X431 PRO3S+ Bi-Directional Scan Tool
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MR CARTOOL T130 Automotive EVAP Smoke Machine
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Disclaimer:
Due to factors beyond the control of Advanced Level Auto, I cannot guarantee against improper use or unauthorized modifications of this information. Advanced Level Auto assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. Advanced Level Auto recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of Advanced Level Auto, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not Advanced Level Auto.