juspassinthrough

Hello new here got a 2002 ram has intermediate miss at idle in park when engine is hot have not owned truck long when i bought had this miss put fuel additive in it it stopped drove it 500 miles no miss put exhaust on it and chip drove 1000 miles no miss added fass pump and fuel gauge got 20lbs pressure starting and at idle 75mph down the road 17lbs month later miss again if you pull in and park while at idle it will miss turn engine off for few minutes start up no miss drive five miles return home park it miss again so this comes and goes to to shop mechanic put scanner on it said no codes he said it was vp maybe but iv read where several has had similar problem changed injectors and vp still have same miss my brother has a 2000 or 2001 he had similar problem it was some kind of adapter out by the ecm or computer by air box he tried to explain to me but did not understand maybe some one here not about this I'm not oppose to buying a vp but i don't want to throw money away if not needed ( could it be a ground have checked them for being tight but did not pull lose and clean yesterday while missing push brake down miss stop could it be apps sensor truck runs great gets 18 mph ) also had problem with shifting back and forth at 45mph but cut hot battery cables of soldiered new brass ends on fixed that problem but did not do the grounds. Cable was corroded under the rubber . Sorry for the long post but tried to explain best i could thanks.