Awasome 2004 Toyota Camry Le Check Engine Light Blinkkng Ideas. Web the gas cap thing is probably the most common reason for the check engine light to come on with obdii cars. Do not drive your car with a flashing check engine light.

For now, here are four possible causes worth considering. Web insert your key into the ignition and turn on the car without turning on your car engine. Do some reading at the link i will post below.