Where is the cold start valve on a Mercedes?
Most cold start valves are in the intake manifold somewhere. The Mercedes V8s usually have the valve on a separate extension near the left front of the engine along the pipe that carries the idle air. Volkswagen and Audi Cold Start valves usually reside at one end of the manifold.
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.
What do you call the cold start valve?
The cold start injector, also referred to as the cold start valve, is an engine management component found on many road going vehicles.
Why is my Mazda 323 engine not idling?
If you’re a Mazda 323 owner, and you’re having idling problems, it might be worth doing what I did. It’s going to save you some cash. But again, the engine is a complex system, and your RPM can be affected by a lot of other parts not working well. If doing this does not work for you, trying checking other parts.
Where is the cold start valve on a car?
In most makes the cold start valve will be located within the air intake distributor. Remove the air intake cover, and the air filter. You should notice a small valve that looks like a fuel injector within the assembly.
Where to replace a cold start injector in a car?
If you’re experiencing cold start difficulty, and you suspect failure of the valve, it’s more likely that you’ll find the failure in the system that controls the valve. In most cases, replacing the cold start valve is relatively easy. More often than not, it will be at an easily accessed location high up on the intake manifold.
If you’re a Mazda 323 owner, and you’re having idling problems, it might be worth doing what I did. It’s going to save you some cash. But again, the engine is a complex system, and your RPM can be affected by a lot of other parts not working well. If doing this does not work for you, trying checking other parts.
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.
If You Stand In Front Of Your Engine With The Hood Open, On Te Left Hand Side, Behind The Intake Manifold, To Front Of The Engine, It Bolts To The Block Of The Engine. Much Easier To See From Underneath, Remember It Is To The Front Behind Intake Manifold, Not Visible From Top.
Why is there no voltage to the cold start valve?
Sure enough Cold start Valve wasn’t pumping any fuel (this is while cranking the car over), and then when I hooked up my Multi-meter I didn’t get any Voltage outta the plug for the cold start either? Any ideas? What was the coolant temperature?
How does a VW CIS-E cold start valve work?
The late VW CIS-E cars used a “hot pulse relay” to provide a second ground path and pulse the thing with about a 10% duty cycle at a slow rate (two or so pulses per second) when the engine was hot.
How does the idle control valve work on a Mercedes Benz?
For CIS-E cars, the CIS-E controller operates the idle control valve and adjusts the mixture based on its coolant temperature sensor input.
What should coolant temp be for CS valve?
The CS valve is controlled by a “thermo time relay” and I think you need to have a coolant temp of less than 50 degrees for it to activate the valve. What happens if you disconnect the wire and give it 12V?
If You Stand In Front Of Your Engine With The Hood Open, On Te Left Hand Side, Behind The Intake Manifold, To Front Of The Engine, It Bolts To The Block Of The Engine. Much Easier To See From Underneath, Remember It Is To The Front Behind Intake Manifold, Not Visible From Top.
What happens when catalytic converter is clogged in Mercedes?
If your catalytic converter is clogged you will notice a drastic drop in fuel efficiency and real struggle getting your Mercedes to accelerate. If the cat is completely clogged your car won’t even start.
What causes a cylinder to misfire in a Mercedes?
In most cases, a cylinder misfire is caused either due to old spark plugs that need to be replaced. A failed ignition coil or a bad spark plug wires. If none of the above fixes your misfire problem carefully analyze the fault codes, it is possible that misfire may be indirectly caused by another problem in the engine.
Why does my Mercedes SEL shut down after starting?
Fuel Pump Relay is most likely and most common cause. So much so that I carry a spare in the trunk ! Same is true for 500SEL series (had one of those also) 5 people found this helpful. There are a multitude of possibilities. The most common issues dealing with stalling on these vehicles is fuel related.
When does a cold start injection take place?
Cold start injection HAPPENS only in COLD weather & only when the starter is operating. Just curious, what is a warm up regulator? warm up regulator is attached to the block, it has fuel lines that run into it, and as the motor warms up it it lowers the fuel pressure (or raises it) all it is a bimetallic wound up strip.