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Mercury Master
85,242 Answers
- Posted on Sep 27, 2016
Re: 1998 mercury mountainer code p0455 large leak what is...
There is no one fix for this fault, you need a smoke test done to see if there really is a leak or it is a sensor malfunction, that takes a skilled tech to figure out what and which is the cause. This code can be a real nightmare to diagnose..
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