What is the reason for P1614 not starting?

2 Answers
NevaehDella
07/24/25 5:46am
The reasons for the fault code P1614 not starting include: throttle blockage and spark plug failure. Here are the relevant introductions: 1. Throttle: The throttle is a controllable valve that regulates the air entering the engine. After the air enters the intake pipe, it mixes with gasoline to form a combustible mixture, which then burns to perform work. It connects to the air filter at the top and the engine block at the bottom, and is known as the throat of the car engine. 2. Spark plug: The spark plug is an important component of the gasoline engine's ignition system. It introduces high-voltage electricity into the combustion chamber and causes it to jump across the electrode gap to produce a spark, thereby igniting the combustible mixture in the cylinder. It mainly consists of a terminal nut, insulator, terminal stud, center electrode, side electrode, and shell.
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LaLucille
08/11/25 1:28am
I've seen many car owners encounter the P1614 no-start issue, which is usually caused by the anti-theft system acting up. Common causes include a damaged or improperly matched key chip, just like your everyday key getting worn out; the body control module or engine control unit might have failed, leading to signal interruption; additionally, wiring issues like short circuits or interference can also block communication. Once this code appears, the car won't recognize the key and simply refuses to start. For diagnosis, it's recommended to try a spare key first. If that doesn't work, plug in an OBD scanner to check the specific fault point. For prevention, avoid frequently misplacing keys or modifying accessories to prevent signal disruption. This fault is quite frustrating—if it strands you on a long trip, it's a big hassle. It's best to get it fixed at a professional shop the same day.
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