Question about 2001 Lexus LS 430
Car is runnung a little rough
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Posted on Jan 02, 2017
#4 Miss-fire. All the things you are saying make a lot of sense. When the light is blinking the cylinder is actualy misfiring, & the smell you are smelling is the fuel that is not burning in the engine burning in the exahst. This can cause a lot of damage to the exausht if it is not repaired..
There is still a couple of things that need to be checked, first he needs to check to see if it is possibly a fuel injector that is sticking. He can do this easily by moving the #4 injector to another cylinder & run the car. When it starts missfiring he will need to see if it is still #4 or if it is the cylinder that he moved the injector to. if it is the new cylinder it is obviously the injector, if it is still #4 he will need to look into the possibility of the EGR valve sticking open or some other issue to do with valve timing or low compression.
I hope this helps
Posted on Mar 17, 2009
SOURCE: dash lights on, running rough
i have the same car and year. Both my lights flashed i bought it to my mechanic he checked my oil and said that when i got my car serviced at a cheap place they put in cheap oil. he hooked up his computer to mine and got an o2 sensor code. he shut the light off and changed my oil. all set. i also use premium gasoline and my car runs very good.
Posted on Apr 14, 2009
SOURCE: check engine lights came on,
A constantly blinking check engine light means you have a misfiring engine that is bad enough to cause your catalytic converter to go bad! Take it to the shop... probably means ignition parts and the upper manifold has to come off... and that's no fun! Good luck.
Posted on Nov 17, 2010
SOURCE: I have a 1999 Lexus
well the best bet is get a reading on the codes and go from there, get the codes that will guide u on whats goin on with the check engine and the the traction
Posted on Mar 23, 2011
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