When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Okay so i've checked and couldn't find anyone with similar issues.
Here is the long and detailed story of my problem.
The first time my car would't start, I went through my whole car and checked every damn fuse in it. Threw code P0628 "Fuel pump A control Circuit Low". I found 1 blown fuse in the small fuse box located to the left of the steering column. Replaced the 20A fuse and my car started right up.
about 3 days later she died again. No warning signs at all just simply wouldnt start.
I rechecked all of my fuses and relays. All good.
I stated to suspect that maybe the fuel pumps (both fuel pumps and sending unit) shorted out so I bought used fuel pump... I know don't judge me lol
Didn't fix the cars still.
Then I replaced the fuel pump module located under the right hand side of the rear seat. And it started right up!!
That lasted about a month until it just didnt start again.
It turns over, it tries to start but the fuel pumps arent turning on at all and ive already replaced the module and still nothing
W213 E63S Wagon, W204 C63 P30(RIP), WK1 Grand Cherokee SRT8(RIP)
since you know where the fuel pump control module is you need to feed power to the output side of the module(to the pumps) and see if the car starts and runs. if it does start and run then the pumps are good, wiring from the module to the pumps is good. then test to see that the input side of the module is getting power....being as you said you had a blown fuse i would assume one of two things, either your module/pumps went bad OR you have a short in the wiring(when the cat work was done there may have been some wire damage or the weld in parts may be too close to the body and caused the insulation to burn off a section of the harness)....keep us posted
I replaced the module with a used module from ebay.
I also replaced my battery and then BOOM it started right up!
Ran like it was meant to run!
then a couple hours later I tried to start it and it started but bogged down untill it died. So, not sure if the module is dead again and maybe its only starting because of fuel already in the lines.
I have an appointment this weekend to get it checked out. Hopefully all goes well.
Okay so just in case someone is following this thread or has a problem in the future here is the culprit!!
Just to the right of the battery there are two fuses one of which is a 40 amp
this is the wire coming from the back of that fuse it somehow got loose and started to overheat which caused a loose connection and there for throwing out my fuel pumps.
The burnt wire goes to the fuel pump module under the right side of the rear seat.
Fixing it tomorrow. Let's hope it's the only problem
The single wore on the right feeds power to the fuel pump module. Closer look of the burnt wire. Loose connection.
Okay so just in case someone is following this thread or has a problem in the future here is the culprit!!
Just to the right of the battery there are two fuses one of which is a 40 amp
this is the wire coming from the back of that fuse it somehow got loose and started to overheat which caused a loose connection and there for throwing out my fuel pumps.
The burnt wire goes to the fuel pump module under the right side of the rear seat.
Fixing it tomorrow. Let's hope it's the only problem
The single wore on the right feeds power to the fuel pump module. Closer look of the burnt wire. Loose connection.
I have a mechanic friend so we first tested every cable for voltage and we found the one cable that would get 12v then drop it randomly.
So we pulled the harness apart looking for any sort of knick in the wiring that would be shorting it and eventually traces it all the way back to the 40A fuse. The wire come directly from the back of the fuse and into the fuel pump module (there are two fuel pump modules)
anyway im off to mb to see if they have the part. I'll post a picture of the location of the fuse
First off thank you for your post! Helped me find my problem immediately with the fuse next to the battery. I noticed the top red wire going to the fuel pump module was turning brown from shorting out/getting hot. I pressed it in and it fired right up. What did you end up doing to fix this? Did you get a new 40 amp fuse plate that sits by the battery or just a new wire from the fuel pump module to the 40 amp fuse plate?
First off thank you for your post! Helped me find my problem immediately with the fuse next to the battery. I noticed the top red wire going to the fuel pump module was turning brown from shorting out/getting hot. I pressed it in and it fired right up. What did you end up doing to fix this? Did you get a new 40 amp fuse plate that sits by the battery or just a new wire from the fuel pump module to the 40 amp fuse plate?
Thanks in advance!
I’m having issues with fuel pump too, I’ll attach error my scan tool showing below. It does same, kicking over but don’t fire up. Replaced fuel pump, fuel pump module. I was able to use scan tool to wipe it and start it up everytime it happened (2-4weeks) until today. Any suggestions
anyone ?
Had the same issue and wanted to know exactly what you did to remedy it.
Did you get a new fuse holder or did you wire in an aftermarket one?
Originally Posted by masonpardo
I have a mechanic friend so we first tested every cable for voltage and we found the one cable that would get 12v then drop it randomly.
So we pulled the harness apart looking for any sort of knick in the wiring that would be shorting it and eventually traces it all the way back to the 40A fuse. The wire come directly from the back of the fuse and into the fuel pump module (there are two fuel pump modules)
anyway im off to mb to see if they have the part. I'll post a picture of the location of the fuse
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
