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Shaking and engine light

we just replaced a pressure hose that broke and now the engine light blinks 30 times and then goes off and then blinks again plus the engine seems to be shaking allot.

A blinking Check Engine light indicates a major misfire in the engine and each time the Check Engine light blinks could mean damage to the catalytic converter(s) is occuring.

You need to have the vehicle towed so it can be figured out what is causing the Check Engine light to blink. Because driving it could result in adding up to a whole lot more money.

Tester