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vacuum break probably sticking, or the vacuum line came off ur vacuum break---
if u have ur vaacuum diagram, look at it (vacuum break should b by/on the carb), look at the levers/shafts connected to it, and try moving those for starters. this mite get it to start the process of getting ur idle down. also, go to lowes, or fleet farm (farm supply stores are relatively inexpensive), or a parts store(expensive here) and get some CARB CLEANER. ($3? or so)
WITH THE MOTOR RUNNING, AND THE AIR FILTER AND CAP OFF THE CARB(probably have to take 2 or so vacuum hoses off), spray JUST A LIL SQUIRT right into your carb. its going to bog(richen) your motor, but its going to loosen stuff up. do this a few times.
squirt your levers/rods by the choke, carb, throttle body, etc. my opinion is that your vacuum break is stickin...but do all this anyway.
if u run out of carb cleaner...dont fret. shut your motor off n grab that wd-40 to spray those levers/rods THAT ARE NOT 'INSIDE' OF YOUR CARB. it'd b a good idea put put a clean rag/towel over your carb when doing this
should be all u need!
What else can I help you with?
Where is the fuel modulater on a 1989 Chevy s-10?
The fuel pressure regulator would be located in the throttle body in 1989.
What is the normal operating temp for your 1989 chevy 350 throttle body?
195
Where is the fuel pressure regulator located on a 1989 Chevy Cheyenne?
on top of the throttle body
Did the 1989 Chevy s10 4.3 have fuel injectors?
Yes, two, there are located in the throttle body.
Where is the fuel pressure regulator on a 1989 Chevy S10 with a 4.3 V6?
It is located in the throttle body.
Will a 1995 Chevy 350 fit ina 1989 Chevy suburban?
Yes it is the same engine. Both of them are TBI / Throttle body injection engines.
Does a 1989 Chevy Caprice have a fuel injection system?
Yes it is a TBI / Throttle Body Injection. Fuel injected.
How many horsepower does a 1989 Chevy silverado 5.0 liter have?
180 horses come from the throttle body injected 5.0L V8.
1989 Chevy k1500 with 5.7 won't idle?
either bad gasket under throttle body or bad iac valve
Where is the fuel injector in your 1989 Chevy blazer S-10?
Assuming that S10 has a 4.3 L engine with TBI (Throttle Body Injection), the fuel injectors (two of them) are located in the throttle body.
Does a 1989 jimmy gmc have a carberator?
No. That would be TBI (Throttle Body Injection).
Will a 1984 Chevy pick-up motor go into a 1989 Chevy pick-up?
Yes. Both should have throttle body fuel injection. It should be a direct bolt in.
