Question about 2001 Audi A4

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How to clean idle air control valve for audi 80 b4 2.3 E 5 cyl.

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I put some WD40 shook the hell out of it, drained it, then filled it parrafin and shook the hell out of it, then drained it and left for few hours upsidedown to drain. good luck!

Posted on Jan 31, 2011

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Posted on Jan 02, 2017

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I got a Audi A4. When idle, it surging. Why


Throttle Body Cleaning on vehicles without electronic throttle control (most 2003 and down)

You can in most cases repair this slow speed stall or unstable idle by cleaning the engine throttle valve and the idle speed control valve using a product called CRC Spray Throttle valve cleaner. Spray the cleaner into the air intake of the engine with the hose removed from the throttle body, the engine will try to stall so hold up the idle speed manually. Once you have used up about 1/2 can of the cleaner stall the engine out while spraying and turn the key off, disconnect the negative battery cable for 5 minutes and then reconnect and drive the car for a about 25 miles of varied driving modes. If this doesn't cure the problem you may need the fuel injectors professionally cleaned by the dealer service dept.

Jul 11, 2017 | Audi A4 Cars & Trucks

3 Answers

What does the idle control solenoid do ?


It automatically opens and adjusts the amount of air into the intake to control idle when the throttle valves are closed (foot peddle not pushed). Older carbureted cars used a set screw to hold the throttle valve open a little to let air in, but your Audi throttle valves close tight when you take your foot off the throttle. If the air idle control valve is not working and sticks in the closed position the engine will not idle unless you step on the gas peddle a little. I cleaned mine up by removing it from the engine and spraying carburetor cleaner through the ports until it was clean.

Jun 06, 2014 | 1991 Audi 100

1 Answer

How to clean the throttle body and the idle air control valve


I typically remove them to clean but they can be cleaned on the car. Get throttle body cleaner from the store and spray all over. Manually open the butterfly valve and wipe after. I would take the idle air control vavle off to clean it.

Dec 10, 2013 | 2002 Toyota Camry

1 Answer

Hi, I have an Audi 80 1994 2.0 E Auto. When


You can in most cases repair this slow speed stall or unstable idle by cleaning the engine throttle valve and the idle speed control valve using a product called CRC Spray Throttle valve cleaner. Spray the cleaner into the air intake of the engine with the hose removed from the throttle body, the engine will try to stall so hold up the idle speed manually. Once you have used up about 1/2 can of the cleaner stall the engine out while spraying and turn the key off, disconnect the negative battery cable for 5 minutes and then reconnect and drive the car for a about 25 miles of varied driving modes. If this doesn't cure the problem you may need the fuel injectors professionally cleaned by the dealer service dept.

May 21, 2017 | Cars & Trucks

1 Answer

1997 Audi A6 will not idle


check egr valve vaccum hoses and idle control valve

Jun 16, 2012 | 1991 Audi 80

1 Answer

Can anybody tell me how to change fuel injectors on 1989 audi 200 quattro?


first relief fuel pressure before disconnecting fuel lines remove fuel pump fuse or relay start engine let it idle until stall out lack fuel fuel now fuel pressure is reliefed. you have to remove top upper air cleaner housing, you have to remove whole entire air cleaning system because the fuel lines with fuel injectors is under the air cleaner filament you have to remove entire fuel line with fuel injector in order to replace fuel injector.

Nov 21, 2011 | Audi Cars & Trucks

2 Answers

Engine fluctuating and cutting out all the time when slowing down to stop cos the revs drop too low


Hi.

If engine revolutions are going up and down even when you are driving, then you have a problem with the EGR valve.

If problem is only when engine is idle, most common fault is the IAC (idle air control) valve, which regulates air when engine is idle. If IAC is OK, check air intake and the sensors installed in the air intake (MAF and IAT). The sensors detect the amount and temperature of air coming into the intake and determine the right amount of air to be mixed with fuel and injected.

There are more problems that even if less frequently can cause rough idle. A good thing to do would DBII DTC scan can be done for free at the nearest Autozone.

Regards.

Ginko

May 31, 2011 | 1996 Audi A4

2 Answers

1998 isuzu amigo 2.2l 5 spd 4 cyl .\r\ni need to


in all fuel injected cars you do not adjust idle. All you can do is clean the throttle and replace the Idle Air Control valve and check data thru a scanner to see if any sensors are out of specs. If this car has a maf sensor in the air filter tube it could become contaminated and cleaning or replacemnet will allow it to see more air which in turn allows the computer to add more fuel for better idling and accelration.

Jun 11, 2010 | 1998 Isuzu Amigo

2 Answers

Idles up and down when it gets hot and sometimes it idles ok


check your vacume hoses for leaks the intake is getting to much air

Jan 23, 2010 | 1992 Audi 80

1 Answer

My audi 80 1991 has irregular running engine. Varying idle speed and sudden stops. Sometime hard to start


clean the throttle body inside. check the idle airspeed control valve,(iac) is ok....check the sensor wires located on the air cleaner assembly if the air flow sensor is gone,it will not run proper. start with a good tune up ....correct plugs,wires cap rotor.fuel filter and pcv valve..check all the vacuum lines are tight.

Jul 04, 2009 | 1991 Audi 80

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