Ford - Aviator :: 2003 - PCV Valve Location?
Jul 4, 2015
I have a 2003 Lincoln aviator with the 4.6 V-8. When I was seafoaming the car today, afterwards I noticed the truck running a bit rougher, and the truck idles around 500-600 rpms instead of 900-1200 rpms. There was a hose connected to the left valve cover, I pulled it off and there was no change in power or sound or idle. Is the hose a pcv hose, if so, where is the valve on this engine in the aviator, shouldn't it be on the valve cover? Do you think its a vacuum leak cause by the pcv valve/hose or a vacuum leak somewhere else? does aviator 4,6 come with a valve or just a pcv hose?
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I cannot find the Oil Control Valve Screen location for my engine. I have also seen one post that said this engine doesn't have one, but I thought that was odd.
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I have an 03 Aviator with the full-time AWD with about 138,000 miles on the odometer. The truck is reliable and I love it, but I keep noticing a shake and vibration going on, I notice it at almost any speed, I'm pretty sure it gets worse at high speeds and when braking ( especially at high speeds). would this be a transmission problem, a bad cv or u joint? or would it be bad tires or wheel bearings? shocks/struts, rotors?
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I have an '03 Aviator that has this really odd stumble / shutter while driving down the road. It loses power and feels like it is going to stall. This is very intermittent and not obvious at idle. Sometimes on hills, sometimes just cruising along. I did some reading and thought maybe I had an ignition coil(s) going bad.
I took the covers off the coils and pulled them out. Six of them looked perfect with one being newly replaced by Ford. Two of them had a thin film of oil mist on them both outside on the rubber boot and inside the rubber boot. I wiped them off and put them back in. There was no oil down in the plug bores and the valve cover gasket looked good. The plugs looked good too.
Is there any way to actually test these? If the problem is intermittent I am not sure if they would fail a test until they got hot from use. I do not have any lights or codes.
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I have the '03 Lincoln Aviator 4.6 DOHC. It has a noticeable knock/ping/chatter and somewhat sluggish acceleration. I notice the PCV hose was collapsed and shredded. I replaced the hose and valve, didn't change idle or acceleration and I still hear the hissing noise in the same region. I unplugged the EGR valve and started the truck, the idle was the same as before I unplugged the valve. could a bad EGR valve give a vacuum leak that is hard to detect? I tried testing for leaks by squirting starter fluid near the suspect areas, and I couldn't detect anything.
could a bad PCV valve be caused by a bad EGR valve and/or vise versa?
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I have the '03 Lincoln Aviator 4.6 DOHC. It has a noticeable knock/ping/chatter and somewhat sluggish acceleration. I notice the pcv hose was collapsed and shredded. I replaced the hose and valve, didn't change idle or acceleration and I still hear the hissing noise in the same region. I unplugged the egr valve and started the truck, the idle was the same as before I unplugged the valve. could a bad egr valve give a vacuum leak that is hard to detect? I tried testing for leaks by squirting starter fluid near the suspect areas, and I couldn't detect anything. Could a bad pcv valve be caused by a bad egr valve and/or vise versa?
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My 2003 Aviator kind of stutters when in auto between gears. Most prevalent from 3 to D when driving regular. If I shift manually and tach it to 4k there is no stutter/vibration. My engine light is on and pretty sure the catalytic converter need to be changed. All new NKG plugs and associated coils. Throttle body clean, 91+ fuel only. Could this me a tranny starting to fail or computer/senor related? No other codes than the bank-2 O2 sensor....
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Have a 2012 gas powered Escape XLT, 2.5L 4 cylinder.
I need to replace the evap purge valve. Looking at youtube videos and from other posts it seems easy to replace. My problem is where is it located on this Escape?
Is it under the hood or underneath the driver's side? This is just the valve mind you, not the canister in the back.
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I have a 2005 f250 with a 5.4l 3v. Where the pcv valve is located is it in the valve cover or attached to the intake and what does it look like? I have pulled the hoses off both sides but I have not found it let.
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Just have a quick question. Where exactly is the pcv valve on our R32s? My R is starting to burn oil and that's the only thing that I can think of is causing it. Looking for a pic of current pcv valve on the car so I can replace mine.
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I have a 2004 Santa Fe with 2.4L 4 Cylinder engine. I have the inexpensive Duralast CV1139DL PCV valve but cannot figure out where to install it.
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