IS - 1st Gen (2001-2005) Discussion about the IS models up to the 2005 model

Need limp mode help! How do I reset!?

Thread Tools
 
Search this Thread
 
Old 10-15-18, 06:39 PM
  #1  
Shrakedown
Driver School Candidate
Thread Starter
 
Shrakedown's Avatar
 
Join Date: Aug 2018
Location: New Mexico
Posts: 4
Received 1 Like on 1 Post
Default Need limp mode help! How do I reset!?

I have an 04' Lexus IS300 with 3 codes and is currently in "limp mode". I am pretty savy when it comes to mechanics I will do research on my own the codes are:
P0057
P0031
P0420
Any advice or real help would be greatly appreciated. Jokes are awesome as well.
Old 11-07-18, 10:18 AM
  #2  
Vanik138
Driver School Candidate
 
Vanik138's Avatar
 
Join Date: Nov 2018
Location: Ca
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Default

Do you currently have any mods in your vehicle right now?
looks like you would need new o2 sensors and cat....
Old 11-07-18, 02:42 PM
  #3  
Wh0pp3r
Intermediate
 
Wh0pp3r's Avatar
 
Join Date: Jun 2016
Location: CA
Posts: 482
Received 87 Likes on 60 Posts
Default

Originally Posted by Vanik138
Do you currently have any mods in your vehicle right now?
looks like you would need new o2 sensors and cat....
P0031Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Low - Manual and Automatic Transmission
P0057Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Control Circuit Low - Manual and Automatic Transmission
P0420Catalyst Efficiency Below Normal (Bank 1) - Manual and Automatic Transmission

Thats pretty much what it sounds like...

simplest way to check the cat is temp gun. simple numbers here, if the inlet temp is say 100, and outlet at 75, the cat is bad. temp exiting should be higher than temp going in.
Old 03-25-19, 10:57 AM
  #4  
Shrakedown
Driver School Candidate
Thread Starter
 
Shrakedown's Avatar
 
Join Date: Aug 2018
Location: New Mexico
Posts: 4
Received 1 Like on 1 Post
Default Problem solved

Not sure how it happened but my cats were clogged with debris (hair *****) 😂 I had a local mechanic rod them out for me. Thanks for your responses and help sorry it took so long for me to jump back on but my 04 IS is quick after now.
The following users liked this post:
ANGST74 (04-02-19)
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Davisito21
IS - 1st Gen (2001-2005)
6
05-26-19 11:43 AM
Batman09
RX - 1st Gen (1999-2003)
2
11-06-18 06:56 AM
sjc12345
RX - 1st Gen (1999-2003)
4
12-31-12 08:12 AM
novak82
Maintenance
3
01-09-08 08:45 PM



Quick Reply: Need limp mode help! How do I reset!?



All times are GMT -7. The time now is 02:51 PM.