Lincoln Aviator Problem Report
Lincoln Aviator Check Engine Light Due to a PCV System Vacuum Leak
A vacuum leak from the PCV grommet vacuum leak can cause the Check Engine Light to illuminate. The molded rubber hose connections may crack and collapse, causing the vehicle to run roughly. A damaged PCV hose will require replacement.
There is a loud hissing sound coming from a hose with a foam like elbow attached to the intake. I can't find parts and its getting called different things like emissions hose, vacuum hose, pcv hose. No one seems to know what it is. It's on the passenger side. My car is hesitating and bogging down when I stop. Check engine light is on. I wish I could post a pic. - Visitor
OMG!!! you saved me hundreds of dollars, thank you. fire stone did a diagnostic($89.00) and it had more than one bad read. my husband checked this site and the total repair was $7.27 for a small piece of hose.this site is wonderful. - Visitor
I had the same problem with the elbow on this pcv hose. The elbow also collapsed and was very brittle it should be a metal fitting. This website saved me a ton of money thanks to all! - Visitor
Yep just replaced this too along with the rack and pinion AND the transmission. Love the vehicle, very disappointed in Ford. It's becoming a very expensive lemon. - tlking23
Error code P0174, "System too lean (bank 2)". - Visitor
This situation happens to me and I replace the elbow on the PCV and it fixed the situation. - Visitor
I had the same problem which escalated yesterday. It took a while to throw the codes to finally trouble shoot this. - Visitor
Just found that problem out today! - Visitor
Could not keep the vehicle running. Auto Zone informed of air loss in tubing...took to dealership and was informed that the molded plastic PVC tube was broken (air to intake prevented..._ needs to be replaced for $286.00 - Visitor
Slippage in overdrive - Visitor
I had to replace the hose, by using a new hose from Autozone. - Visitor
My car started running really rough, and I think my engine light came on if I remember right. I took it in and they said it was a vacuum leak. I had to replace the hoses. Of course, it ended up being several hundred dollars. - kristykmn
Collapsed PVC elbow. Replaced it for 7.00 usd. Found at local auto parts store. - Visitor
engine idles roughly,needed new pcv valve - Visitor
engine light came on. - Visitor
Vacuum Leak hose melted made vehicle run bad - Visitor
Happened today, my truck wasnt driving right the past week and today i was driving to work in the snow, accelerated and the check engine light comes on and now acceleration is very choppy - Visitor
engine codes indicated lean bank 1 lean bank 2. Both 90 degree elbox rubber hoses from PCV to intack had holes melted in them. Auto supply stores did not have listings for parts, but found suitable replacements by taking hose sections to parts store and replaced. - servantX
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