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Originally Posted by tauruschick
new problem my car is gettin codes 420,301,1400,430 can anyone please help
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420, 430 are both "catalyst below threshold" for banks one and two, so I'm guessing that means a problem with the catalytic converter. Get that checked.
1400 I can't find, but I'm sure someone here can help you out. If it's 0400 it's a problem with the EGR system.
301 is a misfire in the #1 cylinder, which could be related to the problems with the catalytic converter(s). If you have a duratec engine (DOHC), you'll have two cats to go with the two exhaust pipes, unless I'm dearly mistaken.
Good luck.