The Best 2007 Toyota Camry Check Engine Light Blinking References. 8 complaints most common solutions: The fuel system in modern vehicles is designed to maintain a certain level of pressure, and if the gas cap is not sealing properly, it can cause a leak and disrupt the pressure balance in the system.

When the check engine light turns on in your 2007 toyota camry, follow these steps to diagnose and troubleshoot the issue: Web if your check engine light is blinking and your car is shaking in a toyota, it strongly indicates a misfire in the engine. Not sure (6 reports) replace coil pack (1 reports) replaced spark plugs and all.