I checked for codes on 2001 dodge 1500 4 wheel drive and got the codes P0455 and P1687 what does this meanj?
check engine light on and when I turned key off and back on 3 times and leave on get codes p0455 and p1687 help what do they mean.
P0455 evap large leak, possible loose gas cap or split vacuum hose in the evaporative emission system. P1687 bus failure from instrument cluster or alternator voltage low.
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