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Valve Stem Seals - Possible "Short Term" Fix Valve Stem Seals - Possible "Short Term" Fix
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Old 10-09-2015, 04:25 PM
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Join Date: Apr 2011
Location: NEW YORK
Posts: 793
electricalserv x5 is on a distinguished road
I don't know about all the stuff in my engine,I just use Castrol titanium 5 30w and change it every 4k miles ,and use chevron injector cleaner every 2 months.
Since I bought my 4.8is it has really improved the cold start up misfire[where it happen for 3 year ].
Also clean out the CCV and replace CCV and tubes. That should do it and use 92octane fuel.
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2006 4.8IS
65K MILES
PURCHASED 7/13
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