Okay this is for my mom's toyota minivan i think its a Sienna. Anyways, whenever it first starts up, some white smoke comes through the exhaust for about 5 seconds but then goes away. what could this be? I tried revving it after letting it idle to see if it would still do that but its ONLY on start up.
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smoke upon start up
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smoke upon start up
member's ride thread
93' EX Coupe H22A w/ P2T4 Sir 5spd 191whp 155 wtq
99' Lexus LS400 157k VVTi V8 gets up & goes...new DD
91 Accord SE 176k
97' Honda Odyssey 199k miles...$485 spare van for my parentsTags: None
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yeah heres some more info on it: its a 2003 with the 3.0 liter vvt-i engine w/ about 112,400 miles. I really havn't any idea what's been done to it workwise in the past so coolant leak someone said? or headgasket needs to be replaced? how much do these usually run?
member's ride thread
93' EX Coupe H22A w/ P2T4 Sir 5spd 191whp 155 wtq
99' Lexus LS400 157k VVTi V8 gets up & goes...new DD
91 Accord SE 176k
97' Honda Odyssey 199k miles...$485 spare van for my parents
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i really doubt its your headgasket, if your headgasket was blown, the white smoke will come out of the tailpipe at all times especially while reving the engine
to make sure you don't have blown headgasket take it to a mechanic and have him do a leakdown test.
again its normal, toyotas are very reliable so i don't think you should have a problem
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My H22 does that and I was told it was a leaky valve seat. The oil drips into the cyclinder and burns off as white smoke when you start it. Check and see if it burns oil too.MR Thread- I brought SEXY back- LOL
If it jams, force it. If it breaks, it needed replacement anyway.
Never argue with an idiot, they drag you down to their level and then beat you with with experience!!!
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Newer cars are all like this...Its normal dont replace anything. The reason why you see smoke on startup sometimes is because the cats and crap are more efficient and there is usually some moisture that gets trapped in the system and eventually burns off and comes out as steam. The newer systems are more efficient so yea its normal as everyone as mentioned.
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alright cool, Thanks everyone! i just didn't want her to breakdown anywhere because she really doesn't know shit about cars at all.
member's ride thread
93' EX Coupe H22A w/ P2T4 Sir 5spd 191whp 155 wtq
99' Lexus LS400 157k VVTi V8 gets up & goes...new DD
91 Accord SE 176k
97' Honda Odyssey 199k miles...$485 spare van for my parents
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Originally posted by ExCoupe92yeah, it's totally normal. that's just the piping heating up and pushing out any condensation that was left there over night or any other long period of time.
I have checked multiple times for other leaks and have found nothing else that could be the cause.'92 LX.
JDM H22a.
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