04 Siverado engine dies

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wisconsin
HI
I have a 2004 siverado 1500, that the motor dies
at idle, and at slow speed. It always starts back
up. Also 430 code pops up once in awile.
 
From OBD codes dot com:

A code P0430 may mean that one or more of the following has happened:

The catalytic converter is no longer functioning properly
An oxygen sensor is not reading (functioning) properly
There is an exhaust leak



You should probably bring it in to a shop and have it looked at. It may be time for a tune up as well. How many miles on the truck?
 
Originally Posted By: wisdav1
HI
I have a 2004 siverado 1500, that the motor dies
at idle, and at slow speed. It always starts back
up. Also 430 code pops up once in awile.
My van does this and I used MMO in the gas or 2cycleoil with tcw3, it stopped it all together. Now I use 2 cycleoil in the gas all the time,,,its cheaper then MMO, does basically the same thing, but I use MMO in the oil . well it works for me,,,277k miles on my engine and climbing.
 
Originally Posted By: CourierDriver
My van does this and I used MMO in the gas or 2cycleoil with tcw3, it stopped it all together. Now I use 2 cycleoil in the gas all the time,,,its cheaper then MMO, does basically the same thing, but I use MMO in the oil . well it works for me,,,277k miles on my engine and climbing.



What does adding 2 cycle oil to gas do?
 
Last edited:
60k,starts fine hot or cold.
but sitting at a stop siqn or
pulling in my driveway,it will
die sometimes.I don't think its
gas related,because when i floor
it up to 70, it won't skip a beat.
 
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