my 05 1500 4.7 running like crap valve not opening and closing correctly heard u try pouring oil right into sparkplug hole to loosen it b4 u spend cash is it worth ashot?
Pouring oil into a cylinder won't help a intake or exhaust valve. If the valve is stuck you may have a broken valve spring or other serious damage which could mean pulling the head to fix it. Another possibility is a broken rocker arm.
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