SOURCE: How do you remove both cylinder heads on a 2003
A quick answer is you don't
There is way too much involved
First, you can bearly get up & into that
engine bay & it would take an entire
day just to remove everything, to get
to the heads & then remove them.
The timing chains alone are not something
you could figure out.
That will be a $4,000.00 job
SOURCE: location of CHT sensor
It is located at the back of the passenger side cylinder head close to where the intake manifold and head meet.It will have a YE/LG and GY/RD wires to it.
SOURCE: my check engine light is on and my dash read
Easy to change,,,, thread the old 1 out ( unplug harness first ) and thread the new 1 in.Do this on a cold engine,as coolant will leak and may get on your skin.Just so you do not burn yourself.You will need a pan under the area of the sensor to catch / save the leaking fluid.
Be carefull !
SOURCE: ford expedition 4.6 liter got cdes p0171 and p0174
On top of engine to the back, and down a little bit by firewall, will be some vacuum line's, the one with the elbow will be leaking, to check start engine and feel back there, when you fine the vacuum leak you'll know, replace that elbow, and engine will run fine, save the new part you replaced more then likely it's good.
SOURCE: camshaft sensor a bank 2 on 2006 ford expedition limited.
It's going to be the one on the left (drivers) side (picture below). Through experience I have found that due to the location of these sensors the connectors get oil in them and moisture. Sometimes just cleaning the connector clears up any diagnostic trouble codes or drivabilty problems. Hope this helps you....
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