Question about 1996 Lexus LS 400

1 Answer

I have a 1996 lexus 400 LS. My check engine light came on .thay said it my p 0420. can you help me.

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Master
  • 1,586 Answers

P0420 is "catalyst system below efficiency". It means that the car thinks a catalytic converter is bad. It could be that the cat is failing, but it also may be that the secondary oxygen sensor (behind the cat, used as a comparator to determine the health of the cat) is failing. As that part is about 10% of the cost of a new catalyst, I'd replace it first, have the code cleared, and see if it comes back.

Posted on Dec 09, 2009

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Check engine and traction light flashing


bad abs transponder on front wheel

Mar 04, 2014 | 1996 Lexus LS 400

1 Answer

How to fits my chech light on my 1992 ls 400 lexus


fix 1992 lexus. posted to Acura. ok../....
the lamp is just a warning, it sits behind a sea of tests.!
what we all do, from 1988 to now is..... (USA)
we scan it. in your case this old car does not use modern scan tools
that car is too old here, 1996 is the year of smart OBD2 tools
but not all is lost. there are the blink codes
you insert a bent paper clip (metal) to the CHeck connector
aka: diagnostic jumper.
the CEL them flashes out codes. for what TEST is failing
first google hit.

http://www.troublecodes.net/lexus/

do that, and report the codes.

with out obd2 means OBD1, in that link.
hackers do have scan tools for OBD1, but ill not go there.

Feb 02, 2014 | 2005 Acura RL

1 Answer

Remove ecm 1996 lexus ls 400


run fault codes and replace faulty sensors. have a fuel pressure . Check injectors for correct operationtest done on the fuel manifold to test fuel pressure regulator. pump and filters/

Dec 23, 2013 | 1996 Lexus LS 400

1 Answer

Wanting to buy a 1998 lexus ls 400 after replacing the battery the dash lights up but the engine won't turn.. What could be the problem


Are there any warning lights on in the dash, may a security warning light? If so you will need to reset the security system, refer to the owners manual or callthe local Lexus dealer for instructions.

Feb 07, 2012 | 1998 Lexus LS 400

1 Answer

Traction control light is blanking & check engine light is on


My 1996 ls400 is doing the same thing. Did you ever figure out the problem?

Sep 13, 2010 | 1996 Lexus LS 400

1 Answer

92 lexus ls 400 check engine and traction control light came on at the same time, 92 lexus ls 400.


the track off light will come everytime yhe check engine light comes on. this is normal. you need to have the check engine light checked first.you can go to your local parts house they will scan it for so you at least see what area you problem is in and then you can start from there. let me know lf you find out youe engine codes.

May 27, 2009 | 1992 Lexus LS

1 Answer

Electrical problems with 1996 lexus ls 400


Check all your fuses. Sounds like one is blown.

Dec 28, 2008 | 1996 Lexus LS 400

1 Answer

How to replace the interior lights in a 1995 lexus ls 400


The cover should pry out with a small flat tip screw driver.

Nov 22, 2008 | 1996 Lexus LS 400

Not finding what you are looking for?
1996 Lexus LS 400 Logo

Related Topics:

681 people viewed this question

Ask a Question

Usually answered in minutes!

Top Lexus Experts

Marvin
Marvin

Level 3 Expert

83054 Answers

ROBERT GARCIA
ROBERT GARCIA

Level 3 Expert

918 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22382 Answers

Are you a Lexus Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...