Question about 1985 Chevrolet S-10

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I have a 1985 chevy s10. U can barely get it to start when it is cold but when it is warmed up it runs awesome. Its like the choke isnt working. Any ideas?

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I think your on the right track. thet era of gm cars in my experince have choke issues also the high idle function goes out

Posted on Nov 06, 2010

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1 Answer

1985 Ford Ranger 2.3 starts and idles good. But when put in gear dies until it reaches full temp.


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Probably carb? Automatic choke not working? Remove air filter and spray carb with cleaner, Make sure all parts move freely. With engine cold, check automatic choke position. Start and check function as it warms up.

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You need to rebuild the carburetor or clean the choke linkage and make sure the choke valve closes cold.

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Won't start when cold


hello wyatt...... Is your jag.built with a carburetor or fuel injected?
Carb, your choke is not set to close when cold, and should be set. When set, it also sets a cam that keeps the engine running fast. Then when warm, you hit the pedal and the cam moves, and the engine speed goes to normal. Unless the choke is set, the engine cannot keep running, as it tries to run on cold gas and it can't run good on cold gas. It needs more gas, therefore, and the choke makes more gas go into the engine.

Fuel Injected, the computer should adjust the amount of gas your car is getting when cold. If not, the coolant sensor might be bad.
The coolant sensor senses the cold engine and tells the computer to add more gas. Once the engine is warm, the coolant sensor tells the computer to put the gas to normal.
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My 85 chevy truck idles real high when you first start it and after 3 minutes you hit the gas and it will idle down to normal could it be out of timing or is there a fast idle screw. tried nothing yet 1985...


thats the electric choke. It warms up the engine so that it will idle properly. It may be sticking. Personally i hate the things and just remove and just hold my foot on the gas a bit when cold starting.

But check and see that the solenoid is not sticking and that the other valves on the carb are not sticking some wd-40 should help.

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1 Answer

Have a 1985 mazda rx7 will not idle .. cold start ok when choke is on once warm stalls and will not idle


There is a throtle adjuster right behind the carb. You can adjust it with a screw driver. If you are not sure where it is, just have someone press to gas pedal and you will see it move. RPM's at idle should be around 1,000 when it is idle once it has warmed up. Once that car warms up the choke moves back in and the car is probably stalling because it is not running enough RPM's.

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1 Answer

Cold starts 1985 plymouth colt 4Dr dl sedan 1.5 L


If yours is a Mikuni carb, here's what I did to make my choke work manually on a 1986 Plymouth Voyager:

http://imhdd.ms11.net/CHOKE/choke.html

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1 Answer

Starting my truck


when you pump the gas pedal can you see fuel spray into the carb .sounds like your pump squirter isnt squirting the gas in to start on a cold start similar to the choke coming on ... or your choke isnt coming on ..try rebuilding the carb or a replacement carb if you can.

Jan 08, 2009 | 1985 Chevrolet Chevy

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