Maintenance:Engine/Decarbonising - Revision history

Super Jamie at 07:49, 29 April 2005

2005-04-29T07:49:37Z

← Older revision		Revision as of 07:49, 29 April 2005
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	== The easy way ==		== The easy way ==
	#Give it a good thrash for a few minutes. Often a carbed engine leans out (towards stoich) at higher rpm, and the good burn takes most of the excess coke with it. You'll no doubt hear many stories about the old pensioner who brings their spluttering old car into a mechanic, who gives it a hiding around the block a few times, and returns it to its owner purring like a kitten.		*Give it a good thrash for a few minutes. Often a carbed engine leans out (towards stoich) at higher rpm, and the good burn takes most of the excess coke with it. You'll no doubt hear many stories about the old pensioner who brings their spluttering old car into a mechanic, who gives it a hiding around the block a few times, and returns it to its owner purring like a kitten.
	#With the engine running and air filter off, spray some misted water, or carby cleaner, into your carburettor. Be careful not to let your engine stall during this process. Hold the throttle wheel open a little bit. If you have excess spray around the carburettor, put your fingers over the opening to seal it off and create greater suction inside the carb, and give the engine a good hard rev for a few seconds.		*With the engine running and air filter off, spray some misted water, or carby cleaner, into your carburettor. Be careful not to let your engine stall during this process. Hold the throttle wheel open a little bit. If you have excess spray around the carburettor, put your fingers over the opening to seal it off and create greater suction inside the carb, and give the engine a good hard rev for a few seconds.
	#There are also fuel additives, called things such as Fuel System Cleaner, Carburettor and Injector cleaner, etc which can help.		*There are also fuel additives, called things such as Fuel System Cleaner, Carburettor and Injector cleaner, etc which can help.

	== The hard way ==		== The hard way ==

	Take your head apart, and clean it.		Take your head apart, and clean it. Use of soft scotch brite or similar would be alright. Do not use anything sharp or metallic. Don't touch the valve seats unless you want to have them ground again.

	Until someone writes a guide specific to a Corolla engine, refer to http://www.elsham.pwp.blueyonder.co.uk/cx500/decoke/. This page refers to a motorbike engine, but the theory should be the same.		Until someone writes a guide specific to a Corolla engine, refer to http://www.elsham.pwp.blueyonder.co.uk/cx500/decoke/. This page refers to a motorbike engine, but the theory should be the same.

Super Jamie: /* The easy way */

2005-04-29T07:46:58Z

The easy way

← Older revision		Revision as of 07:46, 29 April 2005
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	== The easy way ==		== The easy way ==
	Give it a good thrash for a few minutes. Often a carbed engine leans out (towards stoich) at higher rpm, and the good burn takes ~~some~~ of the excess coke with it.		#Give it a good thrash for a few minutes. Often a carbed engine leans out (towards stoich) at higher rpm, and the good burn takes most of the excess coke with it. You'll no doubt hear many stories about the old pensioner who brings their spluttering old car into a mechanic, who gives it a hiding around the block a few times, and returns it to its owner purring like a kitten.
			#With the engine running and air filter off, spray some misted water, or carby cleaner, into your carburettor. Be careful not to let your engine stall during this process. Hold the throttle wheel open a little bit. If you have excess spray around the carburettor, put your fingers over the opening to seal it off and create greater suction inside the carb, and give the engine a good hard rev for a few seconds.
	With the engine running and air filter off, spray some misted water, or carby cleaner, into your carburettor. Be careful not to let your engine stall during this process. Hold the throttle wheel open a little bit. If you have excess spray around the carburettor, put your fingers over the opening to seal it off and create greater suction inside the carb, and give the engine a good hard rev for a few seconds.		#There are also fuel additives, called things such as Fuel System Cleaner, Carburettor and Injector cleaner, etc which can help.

	== The hard way ==		== The hard way ==

10.0.0.66 at 00:47, 29 April 2005

2005-04-29T00:47:47Z

← Older revision		Revision as of 00:47, 29 April 2005
Line 10:		Line 10:

	== The easy way ==		== The easy way ==
	Give it a good thrash for a few minutes. Often a carbed engine leans out (towards stoich) at higher rpm, and the good burn takes some of		Give it a good thrash for a few minutes. Often a carbed engine leans out (towards stoich) at higher rpm, and the good burn takes some of the excess coke with it.

	With the engine running and air filter off, spray some misted water, or carby cleaner, into your carburettor. Be careful not to let your engine stall during this process. Hold the throttle wheel open a little bit. If you have excess spray around the carburettor, put your fingers over the opening to seal it off and create greater suction inside the carb, and give the engine a good hard rev for a few seconds.		With the engine running and air filter off, spray some misted water, or carby cleaner, into your carburettor. Be careful not to let your engine stall during this process. Hold the throttle wheel open a little bit. If you have excess spray around the carburettor, put your fingers over the opening to seal it off and create greater suction inside the carb, and give the engine a good hard rev for a few seconds.

10.0.0.66 at 00:47, 29 April 2005

2005-04-29T00:47:09Z

← Older revision		Revision as of 00:47, 29 April 2005
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	__NOTOC__ <!--- Remove once article gets big enough --->		__NOTOC__ <!--- Remove once article gets big enough --->

	Over time, carbon from ~~burning your~~ fuel mixture can accumulate in your head. This problem is more likely in older, carburettor ~~equiped~~ engines.		Over time, carbon from running an overly-rich fuel mixture can accumulate in your head. This problem is more likely in older, carburettor-equipped engines.

	= Signs you need to decarbonate your engine =		= Signs you need to decarbonate your engine =
	* Engine keeps running on after you turn it off.		* Engine keeps running on after you turn it off.
			* Popping, surging, spark breaking down

	= How to decarbonise your engine =		= How to decarbonise your engine =

	== The easy way ==		== The easy way ==
	~~Using~~ a ~~mister~~, ~~spray~~ some ~~water into your carby while running the engine, until no more carbon comes out~~ of ~~your exhaust.~~		Give it a good thrash for a few minutes. Often a carbed engine leans out (towards stoich) at higher rpm, and the good burn takes some of

	Be careful not to let your engine ~~die~~ during this process.		With the engine running and air filter off, spray some misted water, or carby cleaner, into your carburettor. Be careful not to let your engine stall during this process. Hold the throttle wheel open a little bit. If you have excess spray around the carburettor, put your fingers over the opening to seal it off and create greater suction inside the carb, and give the engine a good hard rev for a few seconds.

	== The hard way ==		== The hard way ==

Wyldephyre: /* Signs you need to decarbonate your engine? */

2005-04-28T12:02:00Z

Signs you need to decarbonate your engine?

← Older revision		Revision as of 12:02, 28 April 2005
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	Over time, carbon from burning your fuel mixture can accumulate in your head. This problem is more likely in older, carburettor equiped engines.		Over time, carbon from burning your fuel mixture can accumulate in your head. This problem is more likely in older, carburettor equiped engines.

	= Signs you need to decarbonate your engine? =		= Signs you need to decarbonate your engine =
	* Engine keeps running on after you turn it off.		* Engine keeps running on after you turn it off.

Wyldephyre at 12:01, 28 April 2005

2005-04-28T12:01:50Z

← Older revision		Revision as of 12:01, 28 April 2005
Line 3:		Line 3:
	Over time, carbon from burning your fuel mixture can accumulate in your head. This problem is more likely in older, carburettor equiped engines.		Over time, carbon from burning your fuel mixture can accumulate in your head. This problem is more likely in older, carburettor equiped engines.

	= Signs you need to decarbonate your engine?		= Signs you need to decarbonate your engine? =
	* Engine keeps running on after you turn it off.		* Engine keeps running on after you turn it off.

Wyldephyre at 12:01, 28 April 2005

2005-04-28T12:01:28Z

← Older revision		Revision as of 12:01, 28 April 2005
Line 4:		Line 4:

	= Signs you need to decarbonate your engine?		= Signs you need to decarbonate your engine?
	* Engine keeps running on after turn it off.		* Engine keeps running on after you turn it off.

	= How to decarbonise your engine =		= How to decarbonise your engine =

Wyldephyre: /* Signs you need to decarbonate your engine? */

2005-04-28T11:32:34Z

Signs you need to decarbonate your engine?

← Older revision		Revision as of 11:32, 28 April 2005
Line 3:		Line 3:
	Over time, carbon from burning your fuel mixture can accumulate in your head. This problem is more likely in older, carburettor equiped engines.		Over time, carbon from burning your fuel mixture can accumulate in your head. This problem is more likely in older, carburettor equiped engines.

	= Signs you need to decarbonate your engine? =		= Signs you need to decarbonate your engine?
	* Engine keeps running on after turn it off.		* Engine keeps running on after turn it off.

Wyldephyre at 11:04, 28 April 2005

2005-04-28T11:04:02Z

← Older revision		Revision as of 11:04, 28 April 2005
Line 1:		Line 1:
	__NOTOC__ <!--- Remove once article gets big enough --->		__NOTOC__ <!--- Remove once article gets big enough --->

	Over time, carbon from burning your fuel mixture can accumulate in your head.		Over time, carbon from burning your fuel mixture can accumulate in your head. This problem is more likely in older, carburettor equiped engines.

	= Signs you need to decarbonate your engine? =		= Signs you need to decarbonate your engine? =

Wyldephyre at 11:01, 28 April 2005

2005-04-28T11:01:12Z

← Older revision		Revision as of 11:01, 28 April 2005
Line 1:		Line 1:
	~~Overtime~~, carbon from burning your fuel mixture can accumulate in your head.		__NOTOC__ <!--- Remove once article gets big enough --->

			Over time, carbon from burning your fuel mixture can accumulate in your head.

	= Signs you need to decarbonate your engine? =		= Signs you need to decarbonate your engine? =
	* Engine keeps running on after turn it off		* Engine keeps running on after turn it off.

	= How to decarbonise your engine =		= How to decarbonise your engine =