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Discussion Starter #1
Hi all, wondering if anyone can help with this.
Recently aquired this car and all was well to start with. Now however, the car intermittantly goes into limp mode. There is none of the usual "anti pollution" messages so had the codes read. Only code coming up was P1351 which i believe is to do with the glow plug relay.

Had it read in a local independant. They checked the turbo to make sure it was fine and said it seemed ok. They changed the fuel filter and it seemed fine for a few weeks but now it's worse than ever.

Checked the codes myself and the same code is still present P1351.

Rang another local independant (a French car specialist), told him briefly the problem and that there was only this one code stored. He said without codes it would be difficult and they would have to start changing bits :eek: Didn't really fill me with confidence as like all of us can't afford to be throwing money at this with no clear indication of what the fault might be.

Is there anyway the glow plugs or glow plug relay could force the car into limp mode?

Not really sure what to do now.
 

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Discussion Starter #6
Sometimes the cat (below turbo) breaks up and blocks the exhaust which
inturn can cause loss of power.
Its worth removing it and giving it a rattle...if it rattles then you need to break it out in pieces.
keep us posted...;)
Ron.

The cat is No 10 in the diagram..:)

Would this cause the fault to be intermittant?
I've got another glow plug relay coming from ebay as it was only a fiver. Hoping this might clear the fault code, although i guess its more likely a plug causing the fault. My old 306 had a few relays go so thought it might be worth a try.
 

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Discussion Starter #7
Sometimes the cat (below turbo) breaks up and blocks the exhaust which
inturn can cause loss of power.
Its worth removing it and giving it a rattle...if it rattles then you need to break it out in pieces.
keep us posted...;)
Ron.

The cat is No 10 in the diagram..:)

Hi, thanks for the reply, would this cause it to do it intermittantly though?
In trying to clear the glow plug fault I got a replace relay from eBay which i fitted to the car today. Cleared of the fault code and took it for a drive. When i got back checked the code again and it had gone. Not sure how long it takes to generate a code though, should it be as soon as the car is driven?
The car this morning was sluggish on my first trip (school run), but fine on the way back.
Put the new relay in, driven it 3 times now and fine each time.
Not sure it has cured the problem, would be nice if it has.
I'll post back in a few days (sooner if it conks again) and report any progress.
 

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Discussion Starter #8
Hi, thanks for the reply, would this cause it to do it intermittantly though?
In trying to clear the glow plug fault I got a replacement relay from eBay which i fitted to the car today. Cleared of the fault code and took it for a drive. When i got back checked the code again and it had gone. Not sure how long it takes to generate a code though, should it be as soon as the car is driven?
The car this morning was sluggish on my first trip (school run), but fine on the way back.
Put the new relay in, driven it 3 times now and fine each time.
Not sure it has cured the problem, would be nice if it has.
I'll post back in a few days (sooner if it conks again) and report any progress.
 

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I've seen this before.

Planet reports a fault with the glow plug relay (P1351). However, when you go into the "actuators check" or whatever its called and test the relay you could hear it clicking, but I suppose it doesn't mean its ok.

Other than that though the car drove fine.

Could you give details of the Ebay seller and I'll pass it along.
 

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Hi, thanks for the reply, would this cause it to do it intermittantly though?
I have seen this before on a 1.4hdi (307) where it would drive fine and then loose power for a few awhile and then back to full power again..:rolleyes:

What happens is the cat breaks up and sometimes get lodged in the exhaust outlet of the cat this inturn reduces the exhaust gases tru the turbo and cuts the power...then sometimes it can dis-lodge itself and the power is back again.

Tbh i can't see how new a new glowplug relay would affect the power of the engine.....But it still needed to be replaced...:)
keep us posted...;)
Ron.
 

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Discussion Starter #11
I have seen this before on a 1.4hdi (307) where it would drive fine and then loose power for a few awhile and then back to full power again..:rolleyes:

What happens is the cat breaks up and sometimes get lodged in the exhaust outlet of the cat this inturn reduces the exhaust gases tru the turbo and cuts the power...then sometimes it can dis-lodge itself and the power is back again.

Tbh i can't see how new a new glowplug relay would affect the power of the engine.....But it still needed to be replaced...:)
keep us posted...;)
Ron.
Yes it doesnt really make sense. My parents had a 205 many years ago now that did a similar thing, glow plug timer relay causing the car to completely cut out and limp, must be an annoying family trait :D
It has run fine since changing it yesterday, but I will keep updating, nothing worse than not finding out how a thread ends.
How long would it take to get the cat out to have a look?
 
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The engine management system goes into limp home mode if there are heater plugs failed on this engine. Change the heater plugs and it will be fine.
 

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Yes it doesnt really make sense. My parents had a 205 many years ago now that did a similar thing, glow plug timer relay causing the car to completely cut out and limp, must be an annoying family trait :D
It has run fine since changing it yesterday, but I will keep updating, nothing worse than not finding out how a thread ends.
How long would it take to get the cat out to have a look?

Just after re-reading the heading..:eek:
A blocked cat should not bring on limp mode.
Down the road if you have loss of power with no faults then get the cat checked out....Not by a vet tho...:D
 

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Discussion Starter #14
The engine management system goes into limp home mode if there are heater plugs failed on this engine. Change the heater plugs and it will be fine.
Thank you for the reply, its day 3 since relay change and all is going well (fingers crossed) I will plug the diag back into it tomorrow and see if the code is back. If it is then plug change will be the next thing.
 

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Discussion Starter #15
Just after re-reading the heading..:eek:
A blocked cat should not bring on limp mode.
Down the road if you have loss of power with no faults then get the cat checked out....Not by a vet tho...:D
Would it improve the performance if i shoved the neighbours cat in the engine? If the b****** uses my lawn as a toilet again it could become a perminate fixture under my car!
 

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Discussion Starter #18
Well just drove the car and the b****** thing went into limp again!! Ill read the codes tomorrow and see if anything is there, why the hell did I buy a 307?
 
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