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George H.
George H., ASE Certified Technician
Category: Saturn
Satisfied Customers: 806
Experience:  ASE Master Tech 15+ Years
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I own a 2003 2.2 l series. I replaced the coil pack and the

Customer Question

I own a 2003 2.2 l series. I replaced the coil pack and the engine ignition coil, put in new plugs crank positon sinsor and pulg boots. Code 301 and 304 came up affter these parts were replaced and it has a miss fire at idle. Do you have an answer?
Submitted: 4 months ago.
Category: Saturn
Expert:  Kevin Bourcier replied 4 months ago.

hi how are you ? a common fault on these engines is a manifold leak check the gasket between the intake manifold and the cylinder head . with the engine running spray aerosol brake clean on the intake at the head . be sure to wear safety glasses while doing this to prevent getting brake clean splashed in your eyes . If the engine smooths out when you do this that will indicate a manifold gasket problem .