That was your problem the smallest leak from this hose will cause a failure on the coil. The connection on the hose sits directly above the coils conection. And that would = a design flaw by ford. You think they'll ever recall this one. Not.
I would have to stick with a vacume leak with that kind of mpg. check the vacume line that conects to the pvc valve. I will leak back near the back of the engine. Note check them with the engine running. It sound like a small leak.
Use a peice of long fuel line attached to a shop vac a a screen where the hose conects to the vac. It may take some time but if theres anything in there it will be sitting at the lowest point. Start out whth a shop vac put a peice of screen over the inlet. then attach the the large 2 1/2 inch...
Iv also read with these 4 codes together it normally points to a vacume leak. causing a lean report. chrck all your cacume line with your truck running. Just run your hand along them and also listen for a hissing sound. good luck
Iv been beating my head off the wall on this #4 coil. Iv replaced it 4 times over the last year. I think I cured it for good. Locating the problem just above it. Leaky heater hose. It leaks just enough to short out the coil and not enough to show a leak on the ground or any where else. After...
PO136 O2 sensor circuit malfunction (Bank 1 Sensor 2).
P0156 Heated O2 Sensor Circuit Malfunction (Bank 2, Sensor 2)
This is what I found after a little research. Is the truck running good now and Have you rest your computer. (clear codes)
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.