How much does it cost to diagnose Mercedes cylinder 3 misfire?
The cost of diagnosing the P0303 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 P0303 MERCEDES-BENZ code detected? Engine Cylinder 3 is Misfiring.
Why does my Mercedes Benz engine misfire so often?
Engine misfires are one of the most common problems we see in many Mercedes-Benz cars. To be honest, it is not because MB cars are weak in this area, but because most owners forget that spark plugs are wear items and need to be replaced at the recommended intervals.
Where are misfire codes stored in a Mercedes?
Luckily for you, the misfire codes are stored in the ECU and are very easy (and inexpensive) to retrieve. To diagnose an engine misfire on a Mercedes all you need is a generic OBD II code reader that can be bought in some cases for under 20 at your local auto parts store or on Amazon’s Best Selling OBD II scanners list.
What does the p0303 code on a Mercedes Benz mean?
The P0303 code means that the cylinder 3 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 3. If the problem persists more tests needs to be done to diagnose problem, see “Possible Causes” Cost of diagnosing the P0303 MERCEDES-BENZ code
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 should I do if my C320 misfiring cylinder?
Perhaps 2 to 1, and 3 to 4. Then reset the CEL light. If the misfire becomes 1 and 4 afterwards, then its most likely bad ignition coils. Also, If your car has never had the MAF sensor changed, I’d change that with a Bosch unit ($110 on ebay).
Luckily for you, the misfire codes are stored in the ECU and are very easy (and inexpensive) to retrieve. To diagnose an engine misfire on a Mercedes all you need is a generic OBD II code reader that can be bought in some cases for under 20 at your local auto parts store or on Amazon’s Best Selling OBD II scanners list.
What does a P0300 cylinder misfire code 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. If the problem persists more tests needs to be done to diagnose problem, see “Possible Causes”