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Old 11-11-16, 04:08 PM   #1
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Default Any Ideas? 806 HDI 2001.

Bought car last Oct, seller advised changing starter motor from 1.4 to 1.7kw to improve poor cold weather starting which I did (new cheaper one 65).This mostly solved the problem till temp dropped below zero, so put on new battery which saw us through winter, no problems all summer.From Oct this year been having to use a squirt of easy start which seller had also advised as alternative. Once started like this it starts ok until parked up 5-6 hours.
I've had a quick look at some similar posts, faults mentioned include blocked FAP filter,faulty primary fuel pump in tank, fuel regulator, lift pump and stop solenoid. Car runs great apart from this and have just put new cat on but MOT due worried using easy start might knacker engine!
Sorry it's a bit longwinded any ideas greatly appreciated
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Old 11-11-16, 04:17 PM   #2
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Bought car last Oct, seller advised changing starter motor from 1.4 to 1.7kw to improve poor cold weather starting which I did (new cheaper one 65).This mostly solved the problem till temp dropped below zero, so put on new battery which saw us through winter, no problems all summer.From Oct this year been having to use a squirt of easy start which seller had also advised as alternative. Once started like this it starts ok until parked up 5-6 hours.
I've had a quick look at some similar posts, faults mentioned include blocked FAP filter,faulty primary fuel pump in tank, fuel regulator, lift pump and stop solenoid. Car runs great apart from this and have just put new cat on but MOT due worried using easy start might knacker engine!
Sorry it's a bit longwinded any ideas greatly appreciated
You need to get it on planet/diagbox to read the codes and have a look at live data have a good read of the link below it explains a lot of stuff like how to contact a member with the relevant equipment needed https://www.peugeotforums.com/forums/...members-83170/
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Old 12-11-16, 09:52 AM   #3
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Default Any ideas?

Thanks very much for info! Will do ASAP
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Old 12-11-16, 10:01 AM   #4
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HDI has no stop solenoid you most likely dont have a FAP/DPF either

Primary fuel pump IS lift pump this MIGHT be the issue but unlikely

Your new cat was a waste of money so thats most of your list covered

Fuel pressure regulator on rear of pump being dirty or fuel leakback overnight due to pinhole in pipe are most likely reasons
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Old 12-11-16, 03:21 PM   #5
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Thanks very much for the advice on the likely causes I'll get them checked out ASAP. Do you know if there's likely to be a Visual sign with a pinhole leak, ie diesel on floor or noticeable drop on fuel gauge and to allay concerns from internet has my using easy start been harmful to the engine, thanks very much again!
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Old 12-11-16, 03:32 PM   #6
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Thanks very much for the advice on the likely causes I'll get them checked out ASAP. Do you know if there's likely to be a Visual sign with a pinhole leak, ie diesel on floor or noticeable drop on fuel gauge and to allay concerns from internet has my using easy start been harmful to the engine, thanks very much again!
a pin hole would suck air in and not leak diesel out and they can be hard to find sometimes
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Old 12-11-16, 05:57 PM   #7
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Using easystart too often will end up with it having to be used all the time. Easystart is to engines what heroin is to humans - extremely addictive.
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Old 12-11-16, 10:24 PM   #8
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Thats untrue its 1 of these things dreamed up by someone years ago and it has been repeated through the years.

The problem with using easy start is the explosion can damage the rings if you get overexcited with it or too much can lock up the engine making it harder to start there is no logical reason why the engine would become addicted to it.
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Old 13-11-16, 07:13 PM   #9
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Thanks for all the advice given!Will post back when problem solved. RAC also advised having heater plugs and relay checked, so plenty to go at!
Cheers again!
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Old 13-11-16, 08:58 PM   #10
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Hdi engine does not need glow plug's to start until -20
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