Customer has 2001 dodge durango 4.7 which I know are good for sludge build up. Customer added marvel mystery oil and "Drove it like they stole it" Which didnt correct anything. It still has slight ticking for first 5 minutes of running. Even after I replaced all of the lifters. Also oil pressure start just below H and never drops below 3/4. And codes comes up for medium and small evap leak. Ive done all leaks tests I can think of to no avail. Vehicle also randomly after starting has no or very little power in Drive. Customer tows a small 8X12 trailer that doesn't have much weight in it. But sometimes requires bringing the RPMs to over 2000 to begin moving. Other times vehicle will begin moving immediatley in drive with no throttle. Any ideas?
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dodge
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durango,
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dodge,
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evap,
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oil
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pressure,
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