Recent Topics
Oil For High Sustained RPM on BMW S52
by ZEK
06/21/18 10:41 PM
Chevy brought the blazer back
by WiskyBadger
06/21/18 10:07 PM
LC20 and uses in modern motor oil
by synman
06/21/18 10:01 PM
Full Synthetic CJ-4 or > 5W-30 or 10W-30
by LeTempt
06/21/18 09:57 PM
2018 RAM 1500 EcoDiesel
by OVERKILL
06/21/18 08:37 PM
Fram SureGrip coating
by mobilaltima
06/21/18 08:24 PM
Manual transmissioned electric car
by mjoekingz28
06/21/18 06:45 PM
1991 Toyota Previa New JDM engine Redline
by Kurtatron
06/21/18 06:26 PM
8 yr old channeling John Bonham
by Toy4x4
06/21/18 06:02 PM
Traveller nlgi 2
by Spitter
06/21/18 05:33 PM
Upgrading the Kohler 7000 series air cleaner
by Patrick0525
06/21/18 05:08 PM
Any nano reefers here?
by RichardS
06/21/18 05:04 PM
ARC remanufactured Power Steering Pump
by Pajero
06/21/18 04:58 PM
John Deere "Easy Change" System gimmick
by SnowmanCO
06/21/18 04:55 PM
Oz Planstic Bag Bans - not so green.
by Shannow
06/21/18 04:31 PM
help me choose...
by chaindrive
06/21/18 04:07 PM
France F1 Grand Prix
by DeepFriar
06/21/18 03:16 PM
Valvoline High Mileage with maxlife tech semi-syn
by bradtech
06/21/18 03:16 PM
Best additive in oil to clean sludge?
by ffgb
06/21/18 02:19 PM
Who is a Dirt Track regular?
by thooks
06/21/18 01:39 PM
Newest Members
ZEK, Dudewayne, kmdz, harborbirds, frascati
65292 Registered Users
Who's Online
22 registered (bmod305, dishdude, Char Baby, buffalobob, David_g, 1 invisible), 448 Guests and 28 Spiders online.
Key: Admin, Global Mod, Mod
Forum Stats
65292 Members
67 Forums
285749 Topics
4768882 Posts

Max Online: 3590 @ 01/24/17 08:07 PM
Donate to BITOG
Topic Options
#4632780 - 01/12/18 06:20 PM PO133 vs. PO171 Leaking Intake Manifold Gasket
willbur Offline


Registered: 06/06/13
Posts: 287
Loc: sw ohio
Greetings All-
my 04 Vibe/Toyota Matrix/Corolla 1.8 lit up CEL. Stored Code was PO133- O2 sensor (front) slow response. Toyota TSB indicated likely cause was a leaking intake manifold gasket in cold weather (common problem). My question: why code PO133 (slow O2 response) and not PO171 (lean mixture)? PO171 makes a lot more sense than a slow responding O2 sensor.

Repair is very simple and minimal cost ($3.50) for Fel-Pro Gasket.

Top
#4632808 - 01/12/18 06:38 PM Re: PO133 vs. PO171 Leaking Intake Manifold Gasket [Re: willbur]
das_peikko Offline


Registered: 01/01/18
Posts: 510
Loc: San Antonio, TX
Nevertheless, as long as you're not getting coolant mixed in with your oil, you should be happy.

Top
#4632837 - 01/12/18 07:04 PM Re: PO133 vs. PO171 Leaking Intake Manifold Gasket [Re: willbur]
Leo99 Offline


Registered: 03/30/14
Posts: 3042
Loc: NJ
I replaced that gasket on my Corolla due to a CEL. I forget the code number. It is a very simple repair.
_________________________
Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
2015 Camry 59,000 miles

Top
#4632876 - 01/12/18 07:36 PM Re: PO133 vs. PO171 Leaking Intake Manifold Gasket [Re: willbur]
Rolla07 Offline


Registered: 11/05/11
Posts: 4737
Loc: MTL, CANADA
I did get the PO171 about 4 years ago. The P0133 could be linked to same thing. If you never replaced the gasket, may as well replace it first and clear the code and see if it comes back. If you havent done it yet.. it wont hurt to clean the MAF airflow sensor and the throttle body if it hasnt been done in awhile. Not to say its linked to your issue.


Edited by Rolla07 (01/12/18 07:36 PM)
_________________________
2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967


Top
#4632908 - 01/12/18 07:57 PM Re: PO133 vs. PO171 Leaking Intake Manifold Gasket [Re: willbur]
barkingspider Offline


Registered: 12/22/13
Posts: 2049
Loc: socal
Replace the manifold gasket and the tensioner o ring, clear the code and see if it comes back. If it does, u may need new O2 sensor
_________________________
06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
05 Toyota Camry (daughter)
11 GMC Canyon off-road (daily)

Top
#4633007 - 01/12/18 09:03 PM Re: PO133 vs. PO171 Leaking Intake Manifold Gasket [Re: barkingspider]
willbur Offline


Registered: 06/06/13
Posts: 287
Loc: sw ohio
Thanks All-
I initially bought an O2 sensor (OE Denso) thinking since the car has 120k miles on it, the O2 sensor has got to be lazy and responding slowly and it would not hurt to replace it. The PO133 code convinced me, too. I have been aware for a long time the leaking intake gasket is a known problem but because the car ran so well (and still does), why mess with it. I guess now is the time.

Just curious about the codes..

Top