Question about 1999 Ford Explorer

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Cracked pvc hose

Sorry, but the hose isn't cracked. Do you have any more thoughts?

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Does the engine run rough when you first start it up in the morning and then smooth out as it warms up? If so, these engines have also had a problem with the intake manifold seals leaking after the vehicle accumulates high miles. The other situation that I have come across is low fuel pressure. If the fuel pump does not have the right pressure, or if the fuel filter is blocked, this can cause the engine to run lean and set those codes. But my first guess is that there is a vacuum leak somewhere in the system.

Posted on May 26, 2008

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Posted on Jan 02, 2017

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Why does my 2004 Lincoln ls v6 sputter at 50 to 60 mph


Hi,I have a 2004 as we'll,bought it used about 6 months ago,he said he had new valve cover gaskets replaced,our vehicles are know to have leaky gaskets,the mechanic that did the job,didn't put one of the hoses back on right,it put in it in a bind,and cause it to crack and leak,I found one on ebay for about 50 bucks,if you open your hood,to the left are 2 hoses,right at the end is where it cracked and started sucking air,the other end goes around the engine and connects to the pvc valve on the back side,I also replaced the pvc,but the old one was still good,with the leak,it cause the engine to not have any power,also if you look on both sides down on engine,is it leaking oil,if so then the valve cover gaskets are leaking,their's a good you tube video showing you how to do it,plus changing the plugs you have to remove the intake to get to them,whoever came up with this design needs a spanking,lol,let me know if your hose is bad,I will show you where to get a new one,your check engine light may come on,mine did.

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Just the hose or the PCV (not pvc) valve? The hose is probably a dealer-only item - go to the Mazda parts department w/the broken piece and they'll get you a new one. The PCV is avl. @ most auto parts stores - and is cheap - <$20.

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