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Ok Im having some truble with my 7. My car runs fine pulls strong and everything. Like two weeks ago I did an oil change everything was tight and everything but a couple of days after that I let it warm up and after like 10 min it was smoking like hell pulled up the hood and the pre cat was red. So turned the car off and the next day did fine. So now at idle my car will smoke like hell but as soon as I take off it stops.and my oil pressure also likes to get low at idle sometimes. if u can help me please.

 

Sounds kinda like your running really rich.....that's my guess.....

 

Sounds like it's time for a compression check. Is your coolant level remaining constant? If you're adding coolant from time-to-time, you may have an internal coolant seal leak.

 

dont oil seals smoke at idle then go away when bad?

 

Check for clogged, failing catalytic converter.

B

 

my guess if anything that hes running lean, or the cat might be clogged abd burning up inside

 

just coininsidance he changed his oil around the same time?!

 

its prolly your water seals going out on you mine smokes a little especially in the morning witch in turn means my water seals are going out....

thats my guess....
charlie