Every once in a while the engine seems to choke a little when given a little gas, especially when not warmed up or climbing a small hill. If I let off when this happens then get it more gas it usually stops. Can you tell me what the problem might be before I spend a lot money trying to figure this out? Should I get my fuel injuection system cleaned? or fuel filter replaced?
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its a faulty auto choke not sure on model so dont know if its electrical on machanical the used to be a small spring that was conected to the carbs with water running around a housing unit when the water got hot the spring contracted causing the choke to go on or off but i would bet its the auto choke
I would check the choke for proper operation , remove the air cleaner lid and see if the choke butterfly valve closes when you press the gas pedal down once with a cold engine, if not clean the choke blade and the linkage that close it with carb cleaner spray.
Whirring sound could be a rear bearing assembly. The engine choking could be caused by a malfunctioning coolant sensor. Make sure you have enough engine coolant in the system because that will cause an erratic engine performance. Also make sure your air cleaner is clean & have a new fuel filter installed. Good luck!
Your choke should have a spring at the bottom under a little cover with a rod coming up and connecting to the butterfly for the choke. Usually this get a little corroded and sticks, you need to clean the pieces so that they rotate freely and the rod will move up and down. It is adjusted on some models by bending the rod to make it longer or shorter. When you push down the gas pedal for the first time in the morning it should set the choke, test this by opening the throttle while its cold out, once the throttle is opened the choke should close, once the engine is running there is a vacuum operated linkage that should pull it back some, until the engine is warm. Again if this worked before, its probably dirty so a good cleaning is in order. Hope this helps, let me know
--the choke cable or the choke linkage on the carburetor is sticking, holding the revs too high.
--the gas pedal linkage, the pedal cable, or its linkage to the carburetor are sticking.
--the engine computer (if it has one) is failing, or has poor connections, or isn't grounded properly.
--various other sensors (if you have them) could be failing.
--the mechanism (computerized or mechanical) calling for more fuel to the carburetor when the air conditioning (if you have it) is turned on could be sticking or not working properly.
You should be able to test most of these possibilities while the car is standing still, with the engine running. Start with the choke -- have a helper move the knob and see if the engine responds properly, especially in the "off" position. Then have the helper operate the gas pedal while you watch what's going on with the carburetor.
Have your helper turn the a/c on and off. If you see a mechanical linkage to the carburetor move when the a/c is turned on, it should move back to its original position when it's turned off.
If any of these linkages (including the gas pedal linkage under the dash) are sticking, try spraying the affected area with a lubricant (like WD-40). If that doesn't help, spray lubricant into the cables, or replace them.
If all else fails, carefully check all vacuum lines in the engine compartment. An intermittent leak (or blockage) could be affecting engine speed.
Choke is round black device on side of carburetor near the top,when engine is cold take lid off air cleaner,see if flap is closed all the way.If not remove air cleaner and adjust choke by manufacturers instructions.Timing is not your problem,it has its own set of problems and symptoms