Question about Lexus Cars & Trucks
Lexus is 250 check engine light blinking car shaking
Posted by Anonymous on
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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
I had the same problem with mine, mechanic said it was a result of the O2 sensor (s) needing replaced. He replaced them and problem was solved.
Posted on Apr 29, 2009
When the light is blinking it means the car is actively misfiring (which is why it's shaking and running rough). When this happens, pull over immediately and shut the car off. Running with a misfire can damage the engine.
You'll need to have the computer scanned for codes - they'll tell you which cylinder(s) are misfiring. Then you can investigate. Check the spark plugs for proper gap and to make sure that the car is igniting each cylinder correctly. If you have more than one cylinder misfiring, it increases the likelihood that the coil is bad. If you're unsure of doing this work, have the car towed to a shop that you trust and have them figure out the problem.
Posted on Aug 12, 2009
You have a bad coil pack, they usually crack from age and heat. It's best to replace them all. Check for a VW recall on this item.
Posted on Dec 22, 2009
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