What does the p0304 code on a Mercedes 4 cylinder mean?

P0304 MERCEDES-BENZ Tech Notes The P0304 code means that the cylinder 4 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 4. If the problem persists more tests needs to be done to diagnose problem, see “Possible Causes” What does this mean?

What causes the P2004 trouble code to become serious?

The P2004 trouble code may become serious if the hardware for the IMRC butterfly valve plates become loose and fall off into the engine. If this happens, severe engine damage is possible, and could potentially cause engine failure. It is important to have the P2004 trouble code inspected and repaired as soon as possible.

What does the fault code on a Mercedes mean?

Mercedes Fault Code: P261F71 1 Check Engine Light 2 Little to no acceleration 3 Coolant leak 4 Brake Pedal Pressure 5 Engine overheating More …

How does variable intake timing work in Mercedes?

You can get better power in the lower RPM range, better fuel economy, overall better efficiency, and more. The way Mercedes has achieved variable intake timing is by using short and long runners. An intake runner is a tube that leads air from the intake port to the cylinder head.

What is the Mercedes P2004 check engine code?

Check Engine Mercedes P2004 Code A common failure point for Mercedes-Benz cars equipped with the M272 (350) and M273 (550) engines is the intake manifold air flap lever. When this component fails your Mercedes-Benz will turn on the check engine light triggering any the following codes: P2004 – Intake Manifold Runner Control Stuck Open Bank 1

What’s the gas mileage of a CLS 350 CGI?

The V6 engine in the CLS 350 CGI still operates with stratified charging at speeds of over 74.5 mph, only later switching to homogenous opera-tion where the fuel/air ratio is 1:14.6 (lambda = 1).

What to do if your Mercedes P2004 manifold gets stuck?

Place some grease on the ball studs and then press the connecting rod until it locks in the ball studs. Once the vacuum actuator, connecting rod and manifold lever are connected test them by moving the manifold flaps. Ensure that there is no restriction that can cause the manifold flaps to get stuck.

Why is my Mercedes P2004 air lever broken?

Weak material used in construction of the intake manifold air lever is the main common cause of Mercedes P2004 codes. If you have a broken manifold air lever you may want to consider replacing your old lever with a high strength aluminum design.

When do you need to fix a p0304 misfire?

When P0304 occurs, it should be fixed immediately as long term driving with engine misfires could cause consequential damage to your engine. Many times, P0304 occurs when there are worn out spark plugs, spark plug wires, or a faulty ignition coil.

What causes a misfire on a Mercedes Benz cylinder?

OBDII Code List P0304 MERCEDES-BENZ P0304 MERCEDES-BENZ – Cylinder 4 Misfire Detected Repair Importance Level: 3/3 Repair Difficulty Level: 3/3 Comments | Add Comment P0304 MERCEDES-BENZ Possible Causes Faulty spark plug 4 Clogged or faulty fuel injector 4 Faulty ignition coil 4 Fuel injector 4 harness is open or shorted

How much does it cost to diagnose Mercedes cylinder 4 misfire?

The cost of diagnosing the P0304 MERCEDES-BENZ code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. When is the P0304 MERCEDES-BENZ code detected? Engine Cylinder 4 is Misfiring.

What does a p0304 trouble code mean on a car?

Although generic, the specific repair steps may vary depending on make/model. A P0304 code means that the the car’s computer has detected that one of the engine’s cylinders is not firing properly. In this case it’s cylinder #4. the engine may be harder to start the engine may stumble / stumble, and/or hesitate other symptoms may also be present

What causes a P0300 multiple cylinder misfire detected code?

First, if you’re getting a P0300 Random/Multiple Cylinder Misfire Detected code, that would indicate a universal problem that applies to all cylinders. In that case, start by checking fuel supply issues like poor fuel pressure caused by a bad pump, restricted fuel filter, or a defective fuel pressure regulator.

What does fault code p0301 through p0312 mean?

If you are reading fault codes such as P0301 through P0312, that means that most likely the problem is with one of the cylinders misfiring. This is due to a bad spark plug, spark plug wire or ignition coil issue. If you are reading a P0301 through P0312 code plus another code, let say P0100.

How much is a 1999 Mercedes Benz ML 320 worth?

Year200320022001200019991998Year See Trade-in Value Used 1999 Mercedes-Benz M-Class ML 320 Sport Utility 4D Edit OptionsMileage: 157,858 4.1 Consumer Write a review View Gallery For Sale 28 Mercedes-Benz M-Class vehicles nationwide. Used 2000 Mercedes-Benz ML 320 4MATIC New Listing $2,995 Regan Motors Used 2000 Mercedes-Benz ML 430 4MATIC $3,990

What kind of car is the Mercedes ML 320?

Used 2000 Mercedes-Benz ML 320 4MATIC New Listing $2,995 Regan Motors Used 2000 Mercedes-Benz ML 430 4MATIC $3,990 Divan Auto Group Used 1999 Mercedes-Benz ML 430 4MATIC $3,995 Reduced Bittons Auto Sales Used 2000 Mercedes-Benz ML 430 4MATIC $4,499 Private Seller Used 2000 Mercedes-Benz ML 320 4MATIC $4,995 Reduced Ride One Auto Sales Used 2001

What does p0306 mean on BMW cylinder 6?

The P0306 code means that the cylinder 6 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 6. If the problem persists more tests needs to be done to diagnose problem, see “Possible Causes”

What does the p0306 code on a Honda Accord mean?

What does the p0306 code in Sidi mean?

In Spark Ignition Direct Injection (SIDI) system applications, if a fuel injector fault DTC is set during a misfire event, the ECM will not re-enable the injector. Need more information on how to fix the P0306 code?

What does the p0302 code on a Mercedes Benz mean?

Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. P0302 MERCEDES-BENZ Tech Notes The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 2.

How much does it cost to get a p0306 code?

If the problem persists more tests need to be done to diagnose the problem, see “Possible Causes”. The cost to diagnose the P0306 code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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.

What does the P0300 code on a spark plug mean?

The P0300 code means that a cylinder (s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs.

What happens when a cylinder 4 is misfiring?

Engine Cylinder 4 is Misfiring. When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position ( CKP) sensor signal to vary, the Engine Control Module ( ECM) can determine that a misfire is occurring.

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