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P1404

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P1404 check engine code showing and EGR pintle is .5

Hello. Most of the time this is caused by a bad EGR valve (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-exhaust-gas-recirculation-egr-valve). I usually remove the valve and inspect the ports for the EGR valve. If these ports are clogged then the problem will persist. It is possible...

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