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Old 03-12-14, 10:45 AM   #1
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Default Boxer x250 2.2 bad starting

I've been having winter starting problems with my 2009 Boxer for the last couple of years. Initially it would start then stop after a few seconds and refuse to start again unless it was left for a few minutes. I took it into a diesel specialist last spring who replaced the crankshaft and camshaft sensors and it did seem to improve things, although it did happen on several occasions through the summer.

However, it has now become very difficult to even get it to fire. But when I eventually get it going it runs absolutely perfectly. However, the engine management light stays on for a while.

One thing that I have noticed, and I think that it's significant, is that when it is difficult to start is is parked on my drive with a very slight uphill gradient. If I park it the other way round it starts on the first turn of the key.

It seems to me, and I'm no expert, to be fuel related and I would be interested to hear from anyone with any thoughts on the problem.
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Old 03-12-14, 12:25 PM   #2
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It could be one of a number of things and wrong for us to speculate and you throw money and parts at the problem in the vain hope of striking lucky.

For example, I read it and first thing I thought was diesel heater sensor (RRP 50).

But pointless buying and fitting it if that isn't the problem.

A good diagnostic should give you some pointers:


https://www.peugeotforums.com/forums/...gnostic-28190/


https://www.peugeotforums.com/forums/...70/#post529130
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Old 03-12-14, 01:54 PM   #3
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Thanks for reply. When the key is turned the heater icon lights for around two seconds then goes off. Presumably this is normal although I would have thought in this cold weather it would be longer.

But the fact that it starts readily when facing slightly downhill is mystifying.

Unfortunately there's nobody around Bristol that has Planet Diagnostics so it looks like an expensive trip to the Peugeot dealer in the hope that they can readily identify and fix the fault.
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Old 03-12-14, 04:56 PM   #4
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I doubt a dealer will fix this without wasting lots of your money.

Glow plugs are not likely to be the issue it should start fine without them if its the engine I think it is.

I had an espace years ago same sort of thing only started easily if facing uphill if it faced downhill easiest way to start was to roll start it down the hill starter could not always do it.

Anyway the plastic pipes from the tank have rubber seals in the ends of them where they join to next section and the cold was affecting the joints so the fuel was running back to the tank overnight replaced entire length of feed with rubber fuel pipe car started better than it ever had !!
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Old 13-12-14, 08:31 PM   #5
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Early days yet, but a new fuel filter housing may have fixed it, as it now starts on the first turn of the key.
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Old 29-12-14, 11:51 AM   #6
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Spoke too soon. Difficult starting back again, but only when parked on a slight uphill gradient. Parking it the other way facing very slightly downhill it always starts immediately.

So if anyone has any ideas I'd be pleased to hear from them.
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Old 29-12-14, 12:30 PM   #7
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Quote:
Originally Posted by rolyk View Post
Spoke too soon. Difficult starting back again, but only when parked on a slight uphill gradient. Parking it the other way facing very slightly downhill it always starts immediately.

So if anyone has any ideas I'd be pleased to hear from them.
Sounds like as reliable 406 says.... the fuel is running back to the tank for some reason. I'd check all the fuel line unions, it doesn't take much for them not to seal properly especially these modern push fit ones.
Good luck
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Old 06-05-15, 06:36 PM   #8
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Finally sorted, I'm glad to say. I removed the nearside headlight and disconnected all the loom plugs including the one to the ecu. That one had what looked to be beads of silicon gel on all the pins so I cleaned it up, reconnected everything and it fired up first time.

That was three months ago and it's started first time every time. So, after spending loads of money with so called diesel experts I fixed it myself. And I am, by no means, an expert.

I was pointed in the right direction by the manager of a fleet of x250's who has experienced many problems with the loom wiring in this area.
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