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Another Victim: Failed CA Smog NO too high "Gross Polluter" #927860
01/27/09 10:30 PM
01/27/09 10:30 PM
justice  Offline OP
Roll Me Over
Joined: Feb 2000
Posts: 3,269
So Cal, USA *****
My 89 3.0 Failed Smog test today.

15MPH Max-999 Measured- 3544

25MPH Max-859 Measured-3239

CO2, O2, HC and CO were all well under...I know ray recently had this issue with his 89 and I believe he replacesd his cat and O2 sensor.

I've never replaced the o2 sensor so I'll probably do that. The cat looks like its been replaced before but it could be a cheap aftermarket unit that could have gotten partially clogged before I changed the vvalve guide seals..Advice is appreciated.

Also what brand/supplier have you guys used for your O2 sensors? I'm looking for one I can plug and play with. I dont want to splice the wire. Thanks.

Last edited by justice; 01/27/09 10:44 PM.

99 Gen 2.5, fixing blown head gasket
89 SWB- 33's, ARB Front locker, SR rear locker/axle, SR F brakes, winch, WST Offroad Armor all Around, 2.85 Aussie T-case Gears (SOLD)
Sold: (2) 95 SR's, 86 SWB, 90LWB, 91 LWB
-Can Change a timing belt in my sleep..
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Re: Another Victim: Failed CA Smog NO too high "Gross Polluter" [Re: justice] #927861
01/27/09 11:00 PM
01/27/09 11:00 PM
kela  Offline
Getting the Wheeling Fever
Joined: Sep 2002
Posts: 45
Orange County, CA
Justice,

Look at my smog numbers below...I cut/pasted from my thread "Poor Response when Accelerating"

kela




PASSED smog today !!!

smog test: 12/2008
%CO2 %O2 HC(PPM) CO(%) NO(PPM) Results
MEAS MEAS MAX GP MEAS MAX GP MEAS MAX GP MEAS
15 mph 12.5 3.3 118 305 30 .68 1.98 .01 999 1776 1897 GROSS POLLUTER
25 mph 12.4 3.4 98 255 23 .87 2.17 .01 859 1576 1578 GROSS POLLUTER



smog test: 1/2009
15 mph 15.4 0.0 118 35 24 .68 .11 .09 999 332 253 PASS
25 mph 15.4 0.0 98 24 19 .87 .09 .08 859 274 393 PASS


Final thoughts:
Smog test: replacing cat converter & O2 sensor helped PASS CA emissions.
Poor acceleration performance: replacing fuel tank/fuel pump/fuel filter cleared up 'fuel flow/restriction' somewhere along in the fuel delivery system.

Thanks to Russell (aka rxinhed) for his help with the "used parts in good working condition" (tank/pump).


'90 Montero RS, LWB, V6, 3L, AUTO, LSD, Gen 2 springs/KYB, 31.5x10.5x15 BFG AT KO2, susp seat.
380,000+ miles & counting...
Re: Another Victim: Failed CA Smog NO too high "Gross Polluter" [Re: justice] #927862
01/27/09 11:06 PM
01/27/09 11:06 PM
justice  Offline OP
Roll Me Over
Joined: Feb 2000
Posts: 3,269
So Cal, USA *****
Hopefully Clay will chime in. Heres the rest of the Numbers:


15 MPH

CO2-14.3
O2-0.9

HC-46 Max-118-pass
CO-.01 max.68-pass
NO-3544 max 999-FAIL!

25 MPH

CO2-14.4
O2- 0.7

HC-35 max 98 PASS
Co-.01 max.87 PASS
NO-3239 max 859 FAILED!


99 Gen 2.5, fixing blown head gasket
89 SWB- 33's, ARB Front locker, SR rear locker/axle, SR F brakes, winch, WST Offroad Armor all Around, 2.85 Aussie T-case Gears (SOLD)
Sold: (2) 95 SR's, 86 SWB, 90LWB, 91 LWB
-Can Change a timing belt in my sleep..
Re: Another Victim: Failed CA Smog NO too high "Gross Polluter" [Re: justice] #927863
01/27/09 11:11 PM
01/27/09 11:11 PM
justice  Offline OP
Roll Me Over
Joined: Feb 2000
Posts: 3,269
So Cal, USA *****
Kela, Thanks for the info. What brand/supplier did you use for the 02 sensor?


99 Gen 2.5, fixing blown head gasket
89 SWB- 33's, ARB Front locker, SR rear locker/axle, SR F brakes, winch, WST Offroad Armor all Around, 2.85 Aussie T-case Gears (SOLD)
Sold: (2) 95 SR's, 86 SWB, 90LWB, 91 LWB
-Can Change a timing belt in my sleep..
Re: Another Victim: Failed CA Smog NO too high "Gross Polluter" [Re: justice] #927864
01/27/09 11:15 PM
01/27/09 11:15 PM
kela  Offline
Getting the Wheeling Fever
Joined: Sep 2002
Posts: 45
Orange County, CA
I believe it was a NGK/NTK...I think NTK makes the O2 sensors for NGK.

It was plug/play...no splicing wires.


'90 Montero RS, LWB, V6, 3L, AUTO, LSD, Gen 2 springs/KYB, 31.5x10.5x15 BFG AT KO2, susp seat.
380,000+ miles & counting...
Re: Another Victim: Failed CA Smog NO too high "Gross Polluter" [Re: kela] #927865
01/28/09 12:21 AM
01/28/09 12:21 AM
off-roader  Offline
Web Wheeler
Joined: Jan 2000
Posts: 16,224
Bay Area, CA *****
Justice,

I'd send a PM to Clay. He has limited online access right now so that might be the quickest way to get his response. <img src="/forums/images/graemlins/kewl.gif" alt="" />

Sorry, I wish I could add more regarding why both the O2 and the Cat were required but I just don't recall/know. <img src="/forums/images/graemlins/frown.gif" alt="" />

Re: Another Victim: Failed CA Smog NO too high "Gross Polluter" [Re: justice] #927866
01/28/09 01:44 AM
01/28/09 01:44 AM
52degrees  Offline
Trail Leader
Joined: Oct 2004
Posts: 6,332
In the beer cooler ****
PM me your phone number and best times to call. We'll chat <img src="/forums/images/graemlins/smile.gif" alt="" />


1990 Montero RS (In pieces... for now)

KG6VNX
Re: Another Victim: Failed CA Smog NO too high "Gross Polluter" [Re: 52degrees] #927867
01/28/09 06:43 AM
01/28/09 06:43 AM
justice  Offline OP
Roll Me Over
Joined: Feb 2000
Posts: 3,269
So Cal, USA *****
Ok will do..Did some digging after work today and this is what I found...

2 vacuum lines in the EGR system were intensionally clogged with BB's??? I'm assuming this was some PO's bright Idea on how to bypass the system? Still not sure that removing the BB's fixed the problem. There does not seem to be any vacuum to to the EGR. I need to study the system further to see exactly how and when its suppossed to actuate. I broke the nipples off the "thermo valve" when I was messing with the vacuum lines, so I'll have to order that from the stealer.


99 Gen 2.5, fixing blown head gasket
89 SWB- 33's, ARB Front locker, SR rear locker/axle, SR F brakes, winch, WST Offroad Armor all Around, 2.85 Aussie T-case Gears (SOLD)
Sold: (2) 95 SR's, 86 SWB, 90LWB, 91 LWB
-Can Change a timing belt in my sleep..
Re: Another Victim: Failed CA Smog NO too high "Gross Polluter" [Re: justice] #927868
01/28/09 05:33 PM
01/28/09 05:33 PM
C
Chief  Offline
Wheeler
Joined: Apr 2006
Posts: 228
SF Bay Area
Looking at your numbers, It appears the only thing that failed is the NOX, correct?
If so, this is more than likely related to the EGR.

Strange thing is, that on my recently aquired 89 Raider, the vacuum hose at the EGR was also plugged with BB???
Furthermore, I found the port from the EGR to intake totaly plugged.

Even with a functioning EGR, if the exhaust/intake port(s) is plugged, it will likely fail NOX.

Hope this helps.


'89 Raider V6, AT, SAS'ed, Dana 44 front & rear, 5:38 gears, NP 231 T-case.
'97 Montero SR, cold weather package, 4.90 R&P, BATTLEZ suspension w/ 2" lift, JAOS grill guard & under body protection, custom rock sliders.
Re: Another Victim: Failed CA Smog NO too high "Gross Polluter" [Re: Chief] #927869
01/28/09 06:01 PM
01/28/09 06:01 PM
justice  Offline OP
Roll Me Over
Joined: Feb 2000
Posts: 3,269
So Cal, USA *****
Thanks. Yes NOX was the only catagory it failed and failed badly ..Now if we could only find out who is this guy going around plugging our vac lines with BB's <img src="/forums/images/graemlins/lol.gif" alt="" /> I'll give the whole system a once over this weekend and replace the O2 sensor just for GP.

Last edited by justice; 01/28/09 06:03 PM.

99 Gen 2.5, fixing blown head gasket
89 SWB- 33's, ARB Front locker, SR rear locker/axle, SR F brakes, winch, WST Offroad Armor all Around, 2.85 Aussie T-case Gears (SOLD)
Sold: (2) 95 SR's, 86 SWB, 90LWB, 91 LWB
-Can Change a timing belt in my sleep..
Page 1 of 4 1 2 3 4

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