Start up issue. Need advice.
#1
09-11-2018, 05:38 PM
Start up issue. Need advice.
Lately, my R53 has been having issues starting up. This doesn’t happen while the engine is cold. It starts up decently when the engine is cold. However, after driving around town, I can let it sit for about 5-10 minutes, and that’s where the problem happens. It will struggle to start and it has troubles getting going (like not all of the cylinders are firing). It does this for a few seconds before the engine revs on its own and levels out. I’m not quite sure what the issue is. It almost seems like I have a starter that’s going out, but it also seems like a timing issue? I’m a little lost.
Just another issue in my in my long list of problems with this purchase, but I’m still having fun driving it around!
Just another issue in my in my long list of problems with this purchase, but I’m still having fun driving it around!
#2
09-11-2018, 05:58 PM
#3
09-11-2018, 06:19 PM
#5
09-11-2018, 06:58 PM
5th Gear
Try this. Turn the key on short of starting. Wait 5 seconds then start. See if that makes a difference. Mine won’t start if I immediately turn the key to start. I’ve changed the fuel pump. It run be fine otherwise, but if I don’t wait a few seconds before starting it will stumble and act like it doesn’t want to run. Just a quirk that I will probably never figure out.
#6
09-11-2018, 07:36 PM
148,000 ish miles. I don’t know if or when those were changed. I’ve only had the car for a few months now. The fuel filter was going to be one of the next things I change out. Looks like I may get it done sooner. Is the pump easy to get to? I may take it out and clean it out as well. I’m guessing it’s under the back passenger seat behind the driver and the filter is same area but passenger side, correct?
#7
09-11-2018, 07:59 PM
3rd Gear
Yes the pump is under the rear seat on the drivers side with the filter being on the passanger side. When you work on the fuel system I found it best to remove the whole rear seat to make access easier.
I don't think you can clean the fuel pump as it can be rather hard to maneuver out of the tank when the pump is full of gas. I didn't really mess with mine when I replace my fuel pump around 125k as it was toast.
If and when you do the fuel pump I will recommend bundling all the lines you disconnect that are in the tank. They don't need to be tight, just held together. If you drop the lines by accident after getting the pump in then it will let you fish all the lines out together without having to pull the pump back out.
I don't think you can clean the fuel pump as it can be rather hard to maneuver out of the tank when the pump is full of gas. I didn't really mess with mine when I replace my fuel pump around 125k as it was toast.
If and when you do the fuel pump I will recommend bundling all the lines you disconnect that are in the tank. They don't need to be tight, just held together. If you drop the lines by accident after getting the pump in then it will let you fish all the lines out together without having to pull the pump back out.
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#8
09-12-2018, 06:19 AM
Try this. Turn the key on short of starting. Wait 5 seconds then start. See if that makes a difference. Mine won’t start if I immediately turn the key to start. I’ve changed the fuel pump. It run be fine otherwise, but if I don’t wait a few seconds before starting it will stumble and act like it doesn’t want to run. Just a quirk that I will probably never figure out.
#10
09-12-2018, 01:47 PM
5th Gear
i tried that this morning after taking my son to daycare. It definitely made a difference. It fired right up. I got home, waited a few minutes and started it up without waiting and had the same issue come up. So I think you at least helped me avoid it. Haha. Another weird thing is when it stumbles, there is a lot of smoke that comes out the tailpipe, but that could just be due to the cylinders not firing correctly as it clears up pretty quickly.
#11
09-12-2018, 04:00 PM
3rd Gear
#12
09-13-2018, 06:52 AM
mill have them look at it. They did mention something about the pressure, but they wanted to look further into it. Something to do with the injectors. I think cylinder 1 was reading that it was trying to deliver more fuel compared to the others according to their Scanning tool.
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