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LinkBack | Thread Tools |
06-22-2011, 07:43 PM
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EGR Valve problem
Hi, my car a 2005 Mazda MPV started to shake at stop lights and while it's in motion. My engine light came on and the code it read is P0403. When I looked up the code online it states that it may be a multiple of things besides a bad EGR valve. The EGR is quite expensive and before I install a new one can you someone please tell me how I would be able to troubleshoot the problem? Thanks
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