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Old 04-21-2012, 02:08 PM   #8
j cAT
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Re: 1985 chevy 305 problems starting

Quote:
Originally Posted by 2dooreighty5 View Post
im pretty sure thats not what i need...that thing is metal like u said...and im pretty sure i didnt spray that with the carb cleaner...i mainly sprayed ontop and into the carb... the car will run for the standard 60 to 120 second and then kick down to low idle, but its just that first minute it runs like crap...Im gonnna have some time this afternoon to check it out...if you have any ideas please dont hesistate guys
that thing is metal on the outside ! that thing controls the fuel mixture to the engine on a cold start.

INSIDE IS A RUBBER DIAPHRAM THAT WITH JUST A SMALL AMOUNT OF CARB CLEANER CAUSES IT TO GET DESTROYED.

PLACE VACUUM ON THAT THING, SEE IF IT MOVES LIKE A MOUSE TRAP. IF it moves slowly /or not at all , it is leaking.
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