beerhunter
Member
- Joined
- Aug 21, 2017
- Messages
- 122
- Reaction score
- 22
- Points
- 18
- Vehicle Year
- 1986
- Make / Model
- Ford Ranger
- Engine Type
- 2.9 V6
- Transmission
- Manual
- 2WD / 4WD
- 4WD
Hi
I need to change the o2 sensor and fuel pressure regulator on my 1990 2.9.
As far as I'm aware, there is only one o2 sensor, and that screws in to the y section of the exhaust. Is the following the correct one? I ask because Rock Auto describes it as an upstream sensor, but by their own diagram, I need a downstream sensor.
https://www.rockauto.com/en/moreinfo.php?pk=279849&cc=1137697&jsn=20
Also, there appears to be 3-wire and 4-wire alternatives. My truck currently has a 4-wire one fitted, but I have no faith in the previous owner having fitted correct parts. How can I tell which is the one I should be using? Do they have very different connector (i.e. is it even possible for the wrong one be connected)? Or do I need to count the number of wires that go to the receiving side of the connector?
Lastly, it seems a special tool is needed to release the black plastic coupling on the pressure regulator. Do the red-handled ones look right? The seller claims it suits petrol Fords:
https://www.ebay.co.uk/itm/3pc-CAR-FUEL-LINE-DISCONNECTION-PLIER-SET-PETROL-DIESEL-PIPE-REMOVAL-TOOLS/361336355534?hash=item5421533ace:g:kyEAAOxyLNpSHKcc
Thanks for your help. As stated, the previous owner was somewhat reckless regarding maintainance, so I'm having to double-check anything they have or may have touched.
I need to change the o2 sensor and fuel pressure regulator on my 1990 2.9.
As far as I'm aware, there is only one o2 sensor, and that screws in to the y section of the exhaust. Is the following the correct one? I ask because Rock Auto describes it as an upstream sensor, but by their own diagram, I need a downstream sensor.
https://www.rockauto.com/en/moreinfo.php?pk=279849&cc=1137697&jsn=20
Also, there appears to be 3-wire and 4-wire alternatives. My truck currently has a 4-wire one fitted, but I have no faith in the previous owner having fitted correct parts. How can I tell which is the one I should be using? Do they have very different connector (i.e. is it even possible for the wrong one be connected)? Or do I need to count the number of wires that go to the receiving side of the connector?
Lastly, it seems a special tool is needed to release the black plastic coupling on the pressure regulator. Do the red-handled ones look right? The seller claims it suits petrol Fords:
https://www.ebay.co.uk/itm/3pc-CAR-FUEL-LINE-DISCONNECTION-PLIER-SET-PETROL-DIESEL-PIPE-REMOVAL-TOOLS/361336355534?hash=item5421533ace:g:kyEAAOxyLNpSHKcc
Thanks for your help. As stated, the previous owner was somewhat reckless regarding maintainance, so I'm having to double-check anything they have or may have touched.