Rising Sun Member Forums  

Go Back   Rising Sun Member Forums > Toyota 4x4 > General Tech Forum

Reply
 
Thread Tools
  #1  
Old 12-01-2013, 10:14 AM
Telly Telly is offline
Locked
 
Join Date: Jan 2008
Location: Monument
Posts: 268
Default Check Engine Light On -Opinions Please

03, 100 Series, 146,000
On my way back from Kansas yesterday, my check engine light came on along with the VSC Trac light and VSC Off light. All fluids were good and no ploblems with performance. Drove home the remaining 200 miles. After unloading, I started it up and the check engine light was still on but not the VSC lights. It was not until I pushed the brake is when the VSC light illuminated. There is a "click" sound under the shifter every time I push the brake in park. No sound once the tranny is engaged. The click sound is like two pieces of plastic snapping against each other. I'm sure this is related to the check engine/VSC lights.

Any ideas before I start trouble shooting? Thanks. Doug
Reply With Quote
  #2  
Old 12-01-2013, 01:55 PM
Telly Telly is offline
Locked
 
Join Date: Jan 2008
Location: Monument
Posts: 268
Default

Disregard my silly comment above regarding the click sound...that has nothing to do with it. The scan show code P0420, "Catalyst System Efficiency Below Threshold (Bank 1)". Looks like I need O2 sensors or possibly a cat. I typically go with OEM for these type of parts. Let me know if there is an equivalent brand that you would recommend.
Reply With Quote
  #3  
Old 12-01-2013, 02:30 PM
Squishy!'s Avatar
Squishy! Squishy! is offline
Rising Sun Member
 
Join Date: Mar 2007
Location: Littleton, CO
Posts: 1,042
Default

Personally I would clear it and wait for it to come back. I've had fluke p0420's before. You can also check the temp of the cat (I can't remember what it should be) with a laser temp gauge and/or borrow someone's scan tool to look at you O2 sweep.
__________________
-Justin Morgan,

"Squishy"-1988 Red Hilux Standard frame, X-tra cab, locked F&R, 5.29's, 35" tires and a SAS. In Moab STOLEN

"Apollo"-1988, 1999 3.4L, Supercharged, 2.1" URD pulley, URD 7th injector, 2 1/2" Magnaflow exhaust, TO DO: lift, locker.

"Did you know the IFS was designed by Hitler himself to make the life of 4WD owners tough? Yeah, it's true, he saw a vision of the Devil and he told him to do it." -DaveInDenver
Reply With Quote
  #4  
Old 12-02-2013, 05:23 AM
powderpig's Avatar
powderpig powderpig is offline
Hard Core 4+
 
Join Date: Aug 2005
Posts: 1,341
Default

Rock Auto has Denso and NTK o2 sensors for reasonable prices. The Denso sensors are made here in the USA, instead of Japan, but I would not think that would create a problem.
You have 4 sensors, Typically the ones in front are the culprits. If you want to make sure, have a shop(or club member with a reader) hook up a reader and read the sensors out puts first. Check to make sure the cats are heating up as well.
Reply With Quote
  #5  
Old 12-02-2013, 10:28 AM
SteveH SteveH is offline
Hard Core 4+
 
Join Date: Aug 2006
Location: Colo Springs
Posts: 1,273
Default

My '95 FZJ had P0420 for years - it would appear every 6 mo. and is triggered by driving at moderate speeds for a certain period of time. I turned off the light (every 6 mo.), as my gas mileage was good and the truck ran fine. You can dump a huge bucket of cash into converters and oxygen sensors trying to fix this - make sure it's a real problem first.
__________________
Steve H.
Colo Springs, CO
Reply With Quote
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


All times are GMT -6. The time now is 11:29 AM.


Powered by vBulletin® Version 3.7.1
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.