Question about 1994 Mercury Cougar
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Posted on Jan 02, 2017
It is located on top of the engine under the throttle body, it sucks, plan on a whole day if you are a good machanic.
Posted on Dec 31, 2008
I just got done replacing the O2 sensors in my 99 Cougar due to throwing a P0135 malfunction code. There's 3. Facing the engine there's one in the front coming off of the front header, which is easy to get to. Another more tricky one if between the engine and the fire wall on the rear header pipe. The third is under the vehicle behind the transmission pan on top of the exhaust. In order to replace the O2 sensor near the fire wall you will need to remove the 4 retaining bolts for the ECM module and move it out of the way. Additionally you will need to remove the 2 retaining nuts for a wiring harness that is seated below the ECM module. Pay close attention to the connectors because the front and under vehicle O2 sensors have round connectors the one near the firewall has a squared connector. I was able to replace all 3 by myself in approximately 35 minutes. If your throwing a O2 heater malfunction code it is most likely going to be the sensor near the firewall. make sure that you know someone with a code reader so the code can be cleared. If you're do for an emmissions inspection be sure to put at least 40 miles on the new O2 sensor with different types of driving (e.g. highway, coasting, decellerated turns and rapid acceleration). Gotta love project cars for your kids!!
Posted on Apr 04, 2009
If you can't do it yourself which is a good sized job, you will have to take it in and the cost for lower ball joints at a garage will run about $800 and up. If you can do it yourself it would cost around $60. You will have to take off:
2. Brakes and rotor and caliper
3. Tie rod end (use a fork tool to loosen)
4. unbolt bottom ball joint ( use fork tool to loosen parts)
5. Unbolt strut from wheel spindle
6. If you don't have a ball joint tool go to and Auto parts store and rent the tool to take the ball joint out.
7.Reverse the procedure when putting back together.
8. Sometimes it takes a little muscle to put them in if you don't have a press.
9. take your time and do it right. EST.. 4 hr plus if you never did it before.
Posted on Apr 19, 2009
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