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Sceptor Ordered two, got the confirmation email, as well. Fingers crossed, customs. Josh

sceptor any idea if they'll ship to california? carb laws and all:sombrero:

231 Just did the 231 upgrade. need to rebleed then put the wheels back on.:bike_rider:

Here's my 98 on recent Mojave Road trip my rig, second from left at Traveler's Monument and in Afton Canyon Great trip, some pinstriping, a broken cb antenna etc.....:coffeedrink:

Snorkel positions Sorry, I was right in the middle of something at work. So the consesus seems face it forward in rain, the safari snorkel is designed to shed a bunch of water. http://www.safarisnorkel.com/docs/product.htm Facing forward if traveling with a group in dusty conditions just...

Nevermind, found my info.

“The great snorkel debate” I’m sure this has been brought up before, but is there a consensus on when you should have your snorkel facing forward versus backward? I’ve heard that you should run it facing to the back if snowing but in the rain forward: I don’t understand why but there you have...

Dang jsmarine, you do some incredible builds. Loved your 4runner build, now you're making me like Tacomas more. You make me want to call in sick to work for a week or two and speed up my mod progress on my 4runner. Josh

Thanks, but I added a bottle of CRC with a full tank already, and ran it through before filling with a full tank of chevron premium and driving for another 80 miles flogging the thing. Wondering of the emissions from the CRC toasted the rest of the cat? As soon as I get back home I'll look to...

Thanks, I don't believe 98 4runners have an EGR valve. If all goes well I'll finish up with the health issue crap in CO and be home over the weekend to start round three with my 4runner. Thanks for the help-Josh

oh crap, now my 4runner is really unhappy Update>>> -------------------------------------------------------------------------------- Ok, well things did not go as planned. Here's an update with the stats more clearly laid out. Stats: 1998 4runner 155k miles Originally sold out of state 3.4...

Mobil 1 syn in both my s/c 3.4 4runner and mazdaspeed miata, filters typically mobile 1, wix, napa gold (whatever good filter is on sale) Both engines really need super unleaded which is only 91 octane in California, due to lots of mods. Change oil every 4-5k. Josh

So for anyone interested it is a Bosch LSU4.2 wide band O2 sensor. Must have been added when the SC and exhaust were done.

Thanks for the response, yeah should have mentioned, that the exhaust was redone by the PO, magna flow cat and muffler. Only one cat, one O2 sensor before/upstream cat (this is the one in question) and a traditional looking one post/downstream of cat. By traditional, I just mean it looks like...

Forgot to mention it's a 1998, 3.4l with an AT. Here's another pic of both the original and the new (wrong) O2 sensor thanks

Ordered a replacement O2 sensor before pulling current one. Yeah I know, but I was at work and wanted it to be at my place by the weekend. This is a single O2 model (pre-cat) originally sold outside CA, running a SC, URD 7th, and 2.2 pulley. Ordered a Denso 234-4162(it has- 2 bolt flange, 4...

At that price I'd bet money on 2wd BTW_ location, location, location? :smiley_drive:

Thanks, the cat is only 2 years old so my guess is that isn't the issue, but how can you check, the whole thing is welded on.? Could the o2 sensor be causing the problem but not showing a code, it's also the original one? Any other ideas what could causing a high Nitrous Oxide rating?

Anyone with an S/C in california or another state that does smog checks, my 4runner just failed part of the smog test 25 mph was ok, but on 15mph NO (PPM) measured 847, on a max of 512. Any ideas? Car is running URDs 7th injector, magna flow cat, muffler and a 2.2 pulley at 15mph I shouldn't be...

I think the ?, was about what it actually gets, versus what does mpg or gpm mean. Maybe that was just my take though:bike_rider: