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O2 sensors Sparkplug.com? #814358 05/25/07 05:30 PM
Joined: Aug 2005
Posts: 229
K
Kutter Offline OP
Wheeler
I looked at the O2 sensors on Sparkplug.com and there is a regular and premium option for the Denso. Anyone know what the difference is beside the price?


1995 4Runner Limited V6 3.4 Liter 5 Speed 4x4
1995 4Runner V6 Auto 2WD

Re: O2 sensors Sparkplug.com? [Re: Kutter] #814359 05/26/07 02:54 AM
Joined: Dec 2004
Posts: 159
W
Whizkidder Offline
Wheeler
I believe the difference is the more expensive one is an exact OE replacement -- including the plug, etc.

The cheaper one is a universal, which usually means you'll have to splice the plug off your old one onto the new one.

For my $ I sprung for the more expensive, but exact replacement -- made the swap-out really quick and easy, and no worries about the quality of wire splices as the miles go by... Good Luck! <img src="/forums/images/graemlins/patriot.gif" alt="" />

Re: O2 sensors Sparkplug.com? [Re: Whizkidder] #814360 05/26/07 05:56 PM
Joined: Aug 2005
Posts: 826
icysyrup Offline
Rock Warrior
check out this place as well..dont know if they are cheaper or not but I have found them cheaper than the places I have looked for mine.

<a href="www.oxygengeek.com" target="_blank">Oxygen Geek 02 sensors</a>


03 Montero XLS, OME 2"suspension lift,Full skid plates, Extended Diff/transfer breathers. 34 LTB's, Winch w/syn rope, Locked front/rear.
Re: O2 sensors Sparkplug.com? [Re: icysyrup] #814361 05/30/07 09:04 PM
Joined: May 2007
Posts: 6
X
xboxfan Offline
Need a Spot
Help! I just got a new oxygen sensor (1st sensor before catalytic converter) for my '96 4runner and need some advice on how to replace it.

The darn plug for it is located on top of the transmission housing, out of sight and seemingly out of reach. I could only get one hand up there to feel the plug. How the heck do you replace it?

You guys would literally save the day if you have any tips or tricks on how to do this. One shop quoted me $75 to do the job and it would hurt my wallet as much as my pride to have to pay that much to finish the job.

Thanks!

Re: O2 sensors Sparkplug.com? [Re: xboxfan] #814362 05/30/07 09:09 PM
Joined: Aug 2005
Posts: 826
icysyrup Offline
Rock Warrior
If its hard to get to the plug from the old one to unplug it, it might be easiest if you just cut the wires where you can get at them and then resplice the new one on there to the old wiring and put it on....I would screw it in snug before splicing the wires...that way it will not get all wound up. But should be pretty simple to do and just match up the wires by color. Take extra care to make sure your splices are good and clean....or you will have electrical gremlins. Not too hard to do. <img src="/forums/images/graemlins/kewl.gif" alt="" />


03 Montero XLS, OME 2"suspension lift,Full skid plates, Extended Diff/transfer breathers. 34 LTB's, Winch w/syn rope, Locked front/rear.
Re: O2 sensors Sparkplug.com? [Re: xboxfan] #814363 05/30/07 11:22 PM
Joined: Apr 2000
Posts: 3,748
Dandeman Offline
Toyota Moderator
Quote
The darn plug for it is located on top of the transmission housing, out of sight and seemingly out of reach. I could only get one hand up there to feel the plug. How the heck do you replace it?

Thanks!


From your description, you must have the manual transmission.. On the auto, the plug is on the side and reachable, although still a bit difficult..

From what other folks have said, on the manual you can pull the console plastic off and get to the plug from the top side.. If anyone would take photographs and document the procedure a bit, I will update the following article to cover the manual transmission...

http://www.4x4wire.com/toyota/4Runner/tech/O2_Sensor/

Re: O2 sensors Sparkplug.com? [Re: Dandeman] #814364 05/31/07 06:31 PM
Joined: May 2007
Posts: 6
X
xboxfan Offline
Need a Spot
Thanks for the suggestions, guys!

You're right, Dandeman, I do have a manual transmission. I was using the same tech article in your link so was surprised to find that the plug was way up on top.

I'm going to go at it from the center console, but have never taken it apart before. Is there anything tricky to watch out for?

If I can get it apart I'll take some pictures for you to use.

I forgot to mention in my first post that I got my factory sensor for a good price from Conicelli Toyota

Re: O2 sensors Sparkplug.com? [Re: xboxfan] #814365 05/31/07 08:22 PM
Joined: May 2007
Posts: 6
X
xboxfan Offline
Need a Spot
Well, I was able to get the center console most of the way apart. The 4wd shift lever is getting in the way of removing the leather cover that goes over both levers. The knob of the main lever screws off, but I don't think the 4wd does. I tried a little, but didn't want to force it. Does it really screw off?

At any rate, once I'm able to remove the outer cover, there are still 4 screws holding down the inner rubber boots over the shift levers. It doesn't seem like you would be able to access the plug even with the inner boots removed. Is this even the area I would access the plug?

Re: O2 sensors Sparkplug.com? [Re: xboxfan] #814366 06/02/07 04:35 PM
Joined: May 2007
Posts: 6
X
xboxfan Offline
Need a Spot
Well, I'm flat out pissed off at this point!

Spent more time underneath the vehicle and could see that even if I could get at it from the top, the connector is still about 3 inches forward of the shift levers.

Still couldn't get more than 1 hand up from underneath. Since it's a locking plug, I don't know how you'd do that one handed!

I even bought a 1 day subscription from Toyota's TIS site, and DAMMIT if I couldn't find any information there!!!!! I found dash removal instructions, but nothing on how to remove the center console (if that's even the route to go)! Absolutely nothing on replacing the O2 sensor, just inspecting it!! WTF?!

Since it seems that the only way to replace this sensor is to remove the transmission, I'm just going to have to live with poor gas mileage. No way I'm going to pay for this job to be done!

Re: O2 sensors Sparkplug.com? [Re: xboxfan] #814367 06/11/07 05:42 AM
Joined: Dec 2004
Posts: 73
D
dsalvetti Offline
Getting the Wheeling Fever
Quote
Well, I'm flat out pissed off at this point!

Spent more time underneath the vehicle and could see that even if I could get at it from the top, the connector is still about 3 inches forward of the shift levers.

Still couldn't get more than 1 hand up from underneath. Since it's a locking plug, I don't know how you'd do that one handed!

I even bought a 1 day subscription from Toyota's TIS site, and DAMMIT if I couldn't find any information there!!!!! I found dash removal instructions, but nothing on how to remove the center console (if that's even the route to go)! Absolutely nothing on replacing the O2 sensor, just inspecting it!! WTF?!

Since it seems that the only way to replace this sensor is to remove the transmission, I'm just going to have to live with poor gas mileage. No way I'm going to pay for this job to be done!


I just replaced both of mine in about 15 minutes... the plug that sits up on top of the tranny will move a bit toward the passenger side. I laid on my back directly under the tranny (head towards the front), reached up around to the plug with my right hand and kind of slid the plug over the top toward the passenger side. There's a cable holder somewhere behind where the plug sits so you'll have to push the plug diagonally toward the passenger side front. I found it easiest to separate/reconnect the plug by reaching all the way over the tranny with the right hand.

Good luck,
~Dave


'98 4Runner SR5, 3.4L, 5-Speed, 4WD >>K&N, ISR, TRD Clutch, 265/75R16 Yokohoma Geolandar AT+II's, OME (880/N91SC, 906/N86C)>> SOLD to pay bills.
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