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well when you hit the gas the accelerator pump pushes gas in, and when you let up it don't. if it don't run when you let up your are no longer getting gas so your carb is way too small or the jets are plugged.

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โˆ™ 2006-03-28 03:56:15
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Q: Your engine cuts off when you decelerate could it be choke thermostat?
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If you replace the thermostat in an Oldsmobile EightyEight and the engine leaks what could that be?

The piston or spring on the thermostat could be stuck.

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In cars with a carburetor the choke is used to help start the engine when could. Engaging the choke closes a flap which reduces the amount of air in the fuel mixture when the engine is started.

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It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.

Could a missing thermostat cause the engine to overheat?

Yes, with out the thermostat, the coolant can circulate to fast to effectively absorb and transfer any heat. Updated answer, The thermostat is to keep the engine running at a factory set predetermined temperature, without the thermostat the engine should run cooler.

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That year don't HAVE a choke. Is your check engine light on ? If it is, then you need to have the engine scanned with an engine scanner to see what is going on. Problem could be the MAP sensor, coolant sensor,fuel pressure regulator. Any of these problems could be making it run RICH are LEAN. Fuel injection fuel system DID NOT USE A CHOKE.

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It could be that the thermostat is stuck open.

Would a bad thermostat cause check engine light to come on in a 2007 crown vic?

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Primer bulbs on small engines take the place of a choke on the carb . If your carb has a choke on it then you could probably bypass it . The object of the primer and the choke is to give the engine a extra charge of gas to help it start when the engine is cold . If you take this away then the engine will be hard starting if it starts at all .

When At idle engine sometimes stalls and will not restart?

the choke could be sticking causing the car the flood

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Could be the thermostat is upside-down, or maybe the thermostat needs to be replaced. Could also be air in the system.

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Sticking thermostat could cause this. If the thermostat is stuck open, it never gives the engine a chance to fully heat the coolant. Follow the top radiator hose to the engine, remove the hose and remove what it hooks to and there's your thermostat.

Your evinrude engine bogs down when accelerating?

the engine timing could be off. Or, the fuel mix is wring. Or, the choke is sticking and the carburetor jets are out of adjustment.

What will happen if the thermostat is installed backwards in your 99 Mercury Sable?

The thermostat will not open properly when installed backwards. The coolant will not flow and the engine could overheat.

What causes overheating?

one of the things that could be casing your ovreheating problem is a stuck thermostat. The thermostat stays closed until the engine gets to a certaqin temperature and then opens up to cool the engine. if the thermostat fails to open no coolent gets to the engine therfore causing the engine to overheat. one way to tell if your thermostat is going out is your upper radiator hose where the themostat housing is will be stretched and feel kinda rubbery. hope this helps could also be that your water pump is going and or a broken water pump belt...but id go with the thermostat first.then take it from there.

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Your thermostat is stuck closed. you will need to replace it. The thermostat controls the circulation through the radiator - when the engine heats up the thermostat is meant to switch circulation from just-engine to engine+radiator. Sounds like this isn't happening.

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The thermostat would be the first thing I would check.

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Could be that the air/fuel mixture is set too lean. Needs adjustment.

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Well for one you could have a cracked head. Or you could have a bad seal on your thermostat though that is were it could be coming from.

If a thermostat in a vehicle engine is stuck open?

the engine will take longer to get to normal operating temp. and the water temp could fluctuate while driving