On a 2006 Ford Freestar ( 3.9 and 4.2 liter V6 engines )
firewall
1-----2-----3
4-----5-----6
front of vehicle > driver
On a 2004 Ford Freestar , 3.9 ( and 4.2 ) liter V6 engine : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
firewall 1-----2-----3 4-----5-----6 front of Ford Freestar > driver
firewall 1-----2-----3 4-----5-----6 front of Ford Freestar > driver
1-----2-----3 4-----5-----6 -----front-----
On a 2004 Ford Freestar ( 3.9 and 4.2 liter V6 engines ) firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
firewall 1-----2-----3 4-----5-----6 front of Ford Freestar > driver
On a 2005 Ford Freestar ( 3.9 and 4.2 liter V6 engines ) firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
what side is cylinder 1 on a 2006 gmc envoy 02 senser senser 1
The number 1 cylinder is the cylinder to the right when you open the hood.
Standing at the front of the truck and looking at the engine, the cylinder closest to you is number 1, #2 is the 2nd, #3 is the 3rd, # 4 is the 4th and the last is #5
I was told the number 1 piston is at the back side of the motor closet to the passenger side.
number 1 cylinder drivers side.