Discussion
Guys (and Gals)
My Cerbera 4.5 has started to develop a warm starting problem. Had no problems during the last 3 years (well with warm starting anyway), but has started acting up recently.
It turns, but just cannot fire. I thought maybe its an over-fueling, ie. the engine thinks its cold, so flooding the engine!
If I let the engine cool down, it fires up.
Any suggestions? I'm off to Holland in a little over a week, and last thing I need is to be stuck on the Eurotunnel and not be able to start.
I've trawled through the Cerbera forum (and search page) and can't find any reference, although I do remember some posts on it a while ago.
Thanks
Paul
>>> Edited by salty on Thursday 30th May 12:07
My Cerbera 4.5 has started to develop a warm starting problem. Had no problems during the last 3 years (well with warm starting anyway), but has started acting up recently.
It turns, but just cannot fire. I thought maybe its an over-fueling, ie. the engine thinks its cold, so flooding the engine!
If I let the engine cool down, it fires up.
Any suggestions? I'm off to Holland in a little over a week, and last thing I need is to be stuck on the Eurotunnel and not be able to start.
I've trawled through the Cerbera forum (and search page) and can't find any reference, although I do remember some posts on it a while ago.
Thanks
Paul
>>> Edited by salty on Thursday 30th May 12:07
I have had this problem (what haven't I had!).
In my case it was the temp sender/senor that also controls the fan cut in and out. It wasn't working at all, and the fans didn't come on when it heated up. I only noticed it overheating if I was stuck in traffic.
But when I stopped the engine it wouldn't restart, just turned over and coughed a bit as if it was trying. AFter a few minutes it would.
I was told that it was because the temp sensor is also used to send temp into the ECU, and it thinks you are starting from cold when in fact the engine is warm. Or something like that.
Are your fans cutting in as it heats up ? Mine come on about 95.
In my case it was the temp sender/senor that also controls the fan cut in and out. It wasn't working at all, and the fans didn't come on when it heated up. I only noticed it overheating if I was stuck in traffic.
But when I stopped the engine it wouldn't restart, just turned over and coughed a bit as if it was trying. AFter a few minutes it would.
I was told that it was because the temp sensor is also used to send temp into the ECU, and it thinks you are starting from cold when in fact the engine is warm. Or something like that.
Are your fans cutting in as it heats up ? Mine come on about 95.
Hmmm, Oliver, that doesn't add up though. If the temp sensor fails, the ECU turns the fans on all the time. Are you using a little bit of throttle to help it start when warm? I was told to do this and it's always worked for me so far.
Worth taking to a dealer or specialist to check the ECU quickly for any fault codes or sensor misreading though.
Worth taking to a dealer or specialist to check the ECU quickly for any fault codes or sensor misreading though.
I think there are two temp sensors. Certainly the one that controls the fans, and the one that gives the indicator reading are different. May be there are three ?
The one that controls the fans is at the front of the engine. When my sensor failed, the fans did not come on at all. As soon as the sendor was replaced the engine started when hot with no problem, and I haven't had the same problem since.
I could of course be talking complete rubbish.
The one that controls the fans is at the front of the engine. When my sensor failed, the fans did not come on at all. As soon as the sendor was replaced the engine started when hot with no problem, and I haven't had the same problem since.
I could of course be talking complete rubbish.
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