Question about Cars & Trucks
The Cat Converter mat be almost blocked ,this can cause this fault. To Check place your hand close to the tail pipe end, a blocked exhaust will make a hissing sound and a continuous pressure will be felt. On a good system you will feel a short pulse as each cylinder fires. The Hiss and pressure will increase with engine speed on a blocked system
Posted on Dec 04, 2014
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Posted on Jan 02, 2017
this problem could be caused by the mass air flow censor, i had the same problem with my car. it is really pricey at the dealer so you might want to check elsewhere for this part. I found one at a scrap yard for 85% less that the dealer and i also got life time warranty, the dealer does not offer any warranty on this part.
Posted on Oct 22, 2008
#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
On most vehicles, the airbag light should come on for @6 seconds, and then go off if the system is working properly. If there is a fault or a problem in the system, the light will remain illuminated, or flash continuously. If the airbag light does not work properly, some vehicles have an audible tone that sounds indicating a problem with the airbag light system. When the light is on (or the tone is sounding), the airbag will NOT deploy, even in an accident. Most systems can only be diagnosed using a scanner designed for the airbag system, however some use flash codes to indicate the problem. The scanners at Auto Zone or the ones that sell for @ $50 will not access the airbag system, only the engine systems (check engine light).
This website gives you the procedure for diagnosing and resetting some systems without a scanner. Some vehicle manufacturers accommodate that (like Toyota, Lexus, Nissan, Infinity, Honda, Acura, Ford, Lincoln, Mazda & Mercury) and some require a scan tool. http://www.airbagsolutions.com/
Posted on Jun 01, 2010
hola mi nombre es victor y tengo un nissan sentra y stoy tratando de pasarle emicion pero cuando voy para motor beiculos el carro ensendio un chec engine y me *** los codigos p0134 p0325 p0171 si tiene alguna idea que puede ser mi numero de telefono es 2039790930 y mi correo es email@example.com
Posted on Dec 20, 2010
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