Truck Smoking when started
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Joined: Feb 2011
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Truck Smoking when started
My '06 Ford F-150, 4.6 V8 is smoking when I start it up occasionally.
The smoke color is blue.
The only mod is flowmaster exhaust.
Bad injector, sticking valve......
Where would you start?
I am all for supporting a local mechanic but financially I do not have the money to gamble.
Once I can pinpoint the problem I will take it to them to fix.
Thanks in advance.
The smoke color is blue.
The only mod is flowmaster exhaust.
Bad injector, sticking valve......
Where would you start?
I am all for supporting a local mechanic but financially I do not have the money to gamble.
Once I can pinpoint the problem I will take it to them to fix.
Thanks in advance.
More Turbo
Joined: Jul 2005
Posts: 591
Likes: 37
From: Groton, MA
If it is just a wisp of smoke occasionally when you first start I wouldn't worry about it. I had an E 150 with a 4.6 that did this the whole time I owned it. It is probably a valve seal that is allowing oil seepage when the engine is off. Depending on where in the combustion cycle that cylinder is when it is shut off it may or may not happen. If that is what yours is it is not worth an expensive repair. Mine stayed like that for 4yrs without getting worse.
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Thanks guys!
I do have mechanical insurance through my auto insurance. $500 deductible.
Just wondering if it is worth it? I would like to finally keep a truck that is paid off. I only have 8 more payments.
My concern is that they may end up doing more damage than it is worth. Bad valve job etc.
I do have mechanical insurance through my auto insurance. $500 deductible.
Just wondering if it is worth it? I would like to finally keep a truck that is paid off. I only have 8 more payments.
My concern is that they may end up doing more damage than it is worth. Bad valve job etc.
Postmaster
Joined: Jul 2008
Posts: 2,565
Likes: 2
Any oil consumtion to speak of? I owned an 85 Z-28 with a 305 sb and it did the same thing, a little wisp of blue smoke on start up and off idle. It used a quart of oil every 2000 miles in local stop and go driving. On long highway trips it used no oil. I didn't do anything and the engine never gave me a problem. Which ever way you decide to go, just keep in mind that Ford's modular engines with the overhead cams are a little more complicated that a small block Chev or Ford so there are increased odds of mistakes.
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Any oil consumtion to speak of? I owned an 85 Z-28 with a 305 sb and it did the same thing, a little wisp of blue smoke on start up and off idle. It used a quart of oil every 2000 miles in local stop and go driving. On long highway trips it used no oil. I didn't do anything and the engine never gave me a problem. Which ever way you decide to go, just keep in mind that Ford's modular engines with the overhead cams are a little more complicated that a small block Chev or Ford so there are increased odds of mistakes.
My thoughts exactly on the fixing it. Might do more harm than good.
Thanks!
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