Why is my C230 fuel pump not working?
I HOPE THIS HELPS SOMEBODY ELSE OUT THERE . I REPLACED THE FUEL PUMP IN MY WIFE’S 04 C230 KOMPRESSOR (MECHANIC TOLD US THE FUEL PUMP WAS TOAST) BUT STILL WAS GETTING NO FUEL TO THE ENGINE WHICH OF COURSE WOULD NOT START . AFTER MESSING WITH IT FOR SOME TIME , I ORDERED THE FUEL SENDING UNIT FROM “PARTS GEEK .
Where are the fuel lines on a 2004 C230?
THE PUMP , SENDING UNIT , FUEL LINES AND WIRING ALL RUN FROM ONE SIDE TO THE OTHER INSIDE THE FUEL TANK. LOOK UP “PARTSGEEK.COM” AND PUNCH UP 2004 C230 FUEL SENDING UNIT AND THEY HAVE A GREAT PICTURE OF THIS THING WHERE YOU CAN SEE THE OFFENDING FUEL LINES .
Where are the fuel lines in a Mercedes Benz?
THE TWO FUEL LINES ARE RUNNING OVER TO THE FUEL SENDING UNIT ON THE RIGHT . THAT’S THE PART THAT’S UNDER THE DRIVERS SIDE BACK SEAT. THAT ENTIRE PART IS THE FUEL SENDING UNIT . THE FUEL LEVEL SENSOR IS JUST ATTATCHED TO IT . THE FUEL SUPPLY LINES AS WELL AS THE ELECTRICAL CONNECTIONS ALL RUN THROUGH THE FUEL SENDING UNIT .
I HOPE THIS HELPS SOMEBODY ELSE OUT THERE . I REPLACED THE FUEL PUMP IN MY WIFE’S 04 C230 KOMPRESSOR (MECHANIC TOLD US THE FUEL PUMP WAS TOAST) BUT STILL WAS GETTING NO FUEL TO THE ENGINE WHICH OF COURSE WOULD NOT START . AFTER MESSING WITH IT FOR SOME TIME , I ORDERED THE FUEL SENDING UNIT FROM “PARTS GEEK .
What should I do if my Mercedes fuel pressure is zero?
If your Mercedes doesn’t start, check the fuel pressure. If you are getting zero reading, you either have an electrical problem or a bad fuel pump. If the check engine light is on, consider yourself “lucky” as it can make your diagnosis easier. Note that not all faults will trigger the check engine light.
THE PUMP , SENDING UNIT , FUEL LINES AND WIRING ALL RUN FROM ONE SIDE TO THE OTHER INSIDE THE FUEL TANK. LOOK UP “PARTSGEEK.COM” AND PUNCH UP 2004 C230 FUEL SENDING UNIT AND THEY HAVE A GREAT PICTURE OF THIS THING WHERE YOU CAN SEE THE OFFENDING FUEL LINES .
How to troubleshoot a Mercedes Benz fuel pump problem?
Troubleshooting a bad fuel pump problem on a Mercedes-Benz is easy. This is a job where you need to be extremely careful because you will work near fuel and there is always the risk of fire. It is recommended that you empty the tank or have the fuel tank near empty when you replace the fuel pump.
How to fix a 2004 C230 fuel pump?
LOOK UP “PARTSGEEK.COM” AND PUNCH UP 2004 C230 FUEL SENDING UNIT AND THEY HAVE A GREAT PICTURE OF THIS THING WHERE YOU CAN SEE THE OFFENDING FUEL LINES . AMAZING HOW CHEAP THESE THINGS ARE MADE. JUST PLASTIC. I REPLACED THE WHOLE SYSTEM AND SHE’S RUNNIN GREAT . ALL BOSCH PARTS BY THE WAY . I have a 2005 c230 kompressor sedan.
If your Mercedes doesn’t start, check the fuel pressure. If you are getting zero reading, you either have an electrical problem or a bad fuel pump. If the check engine light is on, consider yourself “lucky” as it can make your diagnosis easier. Note that not all faults will trigger the check engine light.
What should I do if my fuel pump is not working?
The first thing that you should do is check the fuel pump fuse. If the fuse is good, you will need to test the fuel pressure. If you performed a fuel pressure test and find out that the fuel pump is not generating fuel pressure, don’t rush into the conclusion that the fuel pump is bad. Perform the following test before you replace the fuel pump.
What causes a Mercedes Benz fuel pump to fail?
Typically problems related to the fuel pump and fuel pressure include: Under normal operation conditions, the fuel pump provides a constant flow of fuel. A failing fuel pump typically delivers too little fuel from the gas tank or in certain cases too much. Mercedes-Benz cars use an electrical fuel pump to pump the fuel to the fuel injectors.
THE TWO FUEL LINES ARE RUNNING OVER TO THE FUEL SENDING UNIT ON THE RIGHT . THAT’S THE PART THAT’S UNDER THE DRIVERS SIDE BACK SEAT. THAT ENTIRE PART IS THE FUEL SENDING UNIT . THE FUEL LEVEL SENSOR IS JUST ATTATCHED TO IT . THE FUEL SUPPLY LINES AS WELL AS THE ELECTRICAL CONNECTIONS ALL RUN THROUGH THE FUEL SENDING UNIT .
How did I Fix my fuel pump problem?
AFTER MESSING WITH IT FOR SOME TIME , I ORDERED THE FUEL SENDING UNIT FROM “PARTS GEEK . COM ” (WHO BY THE WAY SHIPPED IT OUT VERY QUICK ). AFTER CHANGING THE SENDING UNIT WHICH COMES WITH THE FUEL LINES ATTATCHED WHICH RUN TO AND FROM THE FUEL PUMP , THE CAR STARTED RIGHT UP .
What should I do if my Mercedes Benz won’t start?
Start the car and you should be able to get around 60 psi. When the engine is running and when you turn off the engine the pressure should stay steady. Always perform this test on a cold engine. Next, make sure that the fuel injector connections are secure and not loose. Check the fuel pump and the fuel pump relay.
What’s the fuel pressure on a Mercedes Benz?
A great and affordable gauge that we have used in the past is this Actron Fuel Pressure Gauge which works on Mercedes-Benz cars. Turn the engine off and connect this gauge to the Schrader valve test port shown in the picture below. Start the car and you should be able to get around 60 psi.
What are the common problems with Mercedes Benz C230?
I have drive a 2005 C230 Kompressor Sport with 304k miles. It’s unbelieveable how amazing the engine still runs and sounds (it’ll last you). I’ve mainly run into issues with my catalytic converter (2 times in 1 year) and currently my ABS sensor and ESP modules. I’ve also had a problem with my fuel pump.
Start the car and you should be able to get around 60 psi. When the engine is running and when you turn off the engine the pressure should stay steady. Always perform this test on a cold engine. Next, make sure that the fuel injector connections are secure and not loose. Check the fuel pump and the fuel pump relay.
A great and affordable gauge that we have used in the past is this Actron Fuel Pressure Gauge which works on Mercedes-Benz cars. Turn the engine off and connect this gauge to the Schrader valve test port shown in the picture below. Start the car and you should be able to get around 60 psi.
What are the problems with a Mercedes Benz?
Top 5 Mercedes-Benz no start problems 1 Engine Click, No Start 2 Engine Dies Right After It Starts 3 Car turns over, but it won’t start 4 The car makes a clicking noise but won’t start. Hint: Starter Problem or Low Battery 5 Key will not turn the ignition More