I have the LG4 and until it warms up the car it stalls. The idle is a bit rough also until it gets to perfect running temp. What is the problem of this?

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87Camaro RS
305 carb.
K&N air filter
HyperTech Stage II chip
160 Thermostat

 

Sounds like it may be a problem with the choke. My car done the same thing, then one day it just got better. Hasn't done it since.

 

I forgot It has an electric choke. So what do I do?

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87Camaro RS
305 carb.
K&N air filter
HyperTech Stage II chip
160 Thermostat

 

First, you could start the car and see if the choke is working. If the butterfly is closed while the car is cold then the choke is fine and the problem is somewhere else. If not, I guess you could start by checking the wiring. Make sure it's getting power. If it is getting power and it still doesn't work then the problem is something internal in the choke.