What are the idle control valves on a Mercedes 380SL?

Idle Control valves available for the following Mercedes 380SL years: 1985, 1984, 1983, 1982, 1981, 85, 84, 83, 82, 81. This part is also sometimes called Mercedes 380SL Idle Valves.

What causes a car to idle at 1500 rpm?

The idle control circuit is very common to have problems. Pull the ecu and check the board for damage. Vacuum leaks, TPS settings, BISS settings, throttle cable adjustment, stop screw adjustment. All of these have cause idle issues on my car at one point or another.

What should the idle speed be on a Mercedes Benz?

Normal idle, warmed up, should be right around 500 rpm. It should stay there very solidly.

Is it normal to have a rough idle?

This is definitely not a normal situation. If you are experiencing a rough idle or your RPM is running high, then there are a variety of reasons for why this could be happening. It is not always easy to diagnose the cause because there are so many factors involved here. Below are the top 5 causes that a mechanic would look for.

Why is idle control not working on my 380SL?

Since both the idle and lambda control get thier power feed from the over voltage relay, could the relay be my problem (this explains the high idle and lack of performance) OR is my over voltage relay, idle control computer and lambda control have gone south?

What’s the problem with my 1983 Mercedes 380SL?

Heres my problem. **before the problem started I had the car stall once or twice shortly after starting and the car seems a bit underpower. The power range is now equal across the RPM range. Seems kinda weak around the low and mid RPM range. 1983 380SL (43,000 miles) suddenly developed a high idle condition.

When to remove the plug on the idle air valve?

When the car settles down to about 900 rpms, and I remove the plug on the idle air valve, RPMS jump to 1,500 – reconnect the plug and they drop.

When does the idle air control valve change?

When the engine is running but the vehicle is not moving, this means the engine is idling. During this time, the number of revolutions per minute (RPM) inside the engine will change. The idle air control valve is responsible for managing the engine idle speed.

Can a bad idle control valve cause stalling?

This is controlled by the engine’s computer. Sometimes parts go bad, which results in your car idling strangely or stalling. Check to see if your idle control valve is functioning properly before attempting to replace it. Look for a high engine idle. A common symptom of a faulty idle control valve can be a high idle.

Idle Control valves available for the following Mercedes 380SL years: 1985, 1984, 1983, 1982, 1981, 85, 84, 83, 82, 81. This part is also sometimes called Mercedes 380SL Idle Valves.

What to do if your idle control valve has gone bad?

If, for example, the 1985 Mercedes 380SL idle control valve on the intake manifold has failed, you might see the Check Engine light. A mechanic should scan the engine computer for trouble codes to be sure it is the valve. If the valve has gone bad, you will often see issues with idle speed, which can be unusually high or too low.

Where to buy genuine Mercedes Benz 380SL parts?

eEuroparts.com® currently stocks thousands of quality genuine, OEM, and aftermarket Mercedes-Benz 380SL parts. Our easy to navigate online catalog allows you to quickly browse through our diverse offering of Mercedes-Benz 380SL Parts.

How to filter out Mercedes-Benz 380SL parts?

The easiest way to use eEuroparts.com® is to select your specific Mercedes-Benz 380SL to filter out any 380SL parts that do not fit your car. There are two ways to do this. First, you can use the Vehicle Selector above. Simply choose the year, make, model, and engine.

How many years does a Mercedes Benz 380SL last?

Years The Series 107 Mercedes Benz 380SL Was Produced: SAVE BIG $$$$$$ IN REPAIR AND MAINTENANCE COSTS!!!

What should the idle Hell be on a Mercedes Benz?

In any case, it should NEVER be as high as 1500 by itself. The warm-up stuff brings it to 800-1000, something like that. Abnormal Operation Here’s a typical pattern:

Is there such a thing as high idle Hell?

Mercedes-Benz Tinkering – High Idle Hell I just went through High Idle Hellwith my ’83 380SL. It was idling at 1500, most of the time, and stalled on occasion. Here are some notes. This is a common problem with these cars. Examples: exampleexampleexample. (You may notice a common thread here: The computer.) Components

What does rough idle mean on marine engine?

A rough or uneven idle can be an indicator of an engine that is misfiring. The air/fuel mixture is disrupted which can cause the engine to jump up and down. If your marine engine is misfiring, you’ll likely hear it.

What are the components of the idle speed regulation?

For ’83, the components to the electronic idle speed regulation are: Idle speed compensator (aka slide valve) Idle speed controller (aka “computer” although it’s really an analog circuit) Overvoltage “relay” 16C temp switch

What causes rough idle and car misfire?

Misfires often happen when your vehicle is under load while accelerating. This can result in slow or sluggish acceleration or a jerking motion while pressing down on the accelerator. A rough or uneven idle can be an indicator of an engine that is misfiring. The air/fuel mixture is disrupted which can cause the engine to jump up and down.

How to troubleshoot an automotive engine high idle?

The troubleshooting procedure for high and low idle conditions are similar, which are included in the following: Step 1 – If the check engine or service engine light soon has illuminated retrieving the diagnostic trouble codes could lead you in the right direction of what the problem is, or is related too.

How can I check the idle air control?

To perform a rough check of the idle air control, remove the valve while reconnecting the wiring harness. While observing the valve with a flashlight, turn the key to the “ON” position, (DO NOT START ENGINE.) the valve should move slightly.

What kind of car was the 1982 Mercedes 380SL?

1982 Mercedes Benz 380 SL Convertible With Removable Hardtop 38k Miles CLEAN CAR FAX All Original G.380SL, so-named for its 3.8-liter V-8, had a smaller engine than the 450SL and was consequently 1… More Info › 1982 Mercedes-Benz 380SL Roadster in metallic silver with navy blue leather interior.

How to save money on idle control valves?

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What to do when your car is at high idle?

Take the computer out of its plastic case. Plug it back in to the connector and let the board just dangle. Start the car and let it run at its high idle. Start monkeying with the controller circuit board. (It won’t hurt you. You probably won’t hurt it, either — these are discrete linear components, pretty heavy-duty.

Why does my car idle at 1500 all the time?

Quick tests If your idle stays at 1500 all the time, most likely it is the electronic idle speed regulation. (If you want to simulate this in a properly working car, just yank the idle speed controller plug off.) Jiggle the connectors to the slide valve and the controller box.

Are there any parts for a Mercedes 380SL?

Some drivers, however, allow their older vehicles to languish in disrepair due to a lack of Mercedes 380SL Parts. It doesn’t have to be this way. Discount Mercedes 380SL Parts are available and can help you keep that great car out on the road. Kit contains the commonly requested and replaced seals including trunk seal, convertible cover seal,…

Why does my 1984 Mercedes 380SL Rev too much?

Why would a 1984 Mercedes 380SL rev too much when it heats up, could this be the fuel injection control module? This problem could be because the throttle position switch, situated at the side of the throttle, and needs to be adjusted.

Is the Mercedes 380SL good for the junkyard?

Once a couple of decades have passed since the introduction of a particular model of vehicle, only the best are left hanging around: those of inferior quality have already found their way to the junkyard. Even these top-notch vehicles, however can’t hold up forever on their own.

Is the 1985 Mercedes 380SL still in production?

Our Nashville showroom digitally showcases this 1985 Mercedes 380SL. This 1985 Mercedes 380SL in ou 1985 was the last production year for the 380SL making it a fine choice as a collectible. In 1 If you want to enjoy a classic Mercedes convertible look no further.

What kind of engine does a Mercedes 380SL have?

Like its forebears the 380SL was a heady mix of V-8 power, refined luxury, and sporty underpinnings, and it was as a very popular model during its run in the U.S. The 380SL, so-named for its 3.8-liter V-8, had a smaller engine than the 450SL and was consequently 120 pounds lighter.

How to check the oil level in a Mercedes 380SL?

To check the oil levels, let the car sit overnight and wait for the oil to drain back into the pan. This is typically when a reading that is most accurate is obtained. When the car develops a problem, half of the issue is trying to pinpoint the origin of it before an owner can figure out a way to fix it.

What kind of engine does a Mercedes Benz 380SL have?

Compare Mercedes Benz Series 107 Models Model Years # Built Engine BHP 280SL 1974-1985 25,500 2746cc I6 185 280SLC 1974-1981 10,700 2746cc I6 185 300SL 1985-1989 N/A 2962cc I6 188

Years The Series 107 Mercedes Benz 380SL Was Produced: SAVE BIG $$$$$$ IN REPAIR AND MAINTENANCE COSTS!!!

What happens when the idle control valve fails?

When the idle control valve fails it can cause all sorts of issues with the vehicle, and in some cases may even render it undrivable. Usually a bad or failing idle control valve will produce a few symptoms that can alert the driver of a potential issue. 1. Irregular idle speed

What causes the idle speed to go up or down?

The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate. If the valve fails or has any issues it can cause the idle speed to be thrown off. This may result in an unusually high or low idle speed, or in some cases a surging idle speed that repeatedly climbs and falls. 2. Check Engine Light comes on

What are the symptoms of a bad throttle temp sensor?

Symptoms of a Bad or Failing Throttle Body Temp Sensor Common signs include poor engine performance, stalling, and broken electrical connections. A common problem that car owners experience is high or low engine idle. A damaged intake gasket, cold air intake, or PCV valve can cause idle issues.

What are the symptoms of an idle air control valve?

One of the most common symptoms commonly associated with a problematic idle air control valve is irregular idle speed. The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate.

What happens when the idle control motor is disconnected?

With the Idle Control Motor disconnected, get back into the vehicle and start the engine again. The engine should still start and run without any issue despite the idle control motor being disconnected. Be sure to tuck the wiring you disconnected up in the engine bay so it doesn’t get caught in any moving parts.

When to replace idle control motor in Ford?

Fords are designed to operate with the resistance in the solenoid in a range between 7.0 to 13.0 ohms. If the resistance is outside that range, the idle control motor needs to be replaced.

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