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Old 17-08-11, 05:55 PM   #1
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Default Intermittent power failure when car is hot

Guys and gals,

When my car is hot (i.e. when the fan comes on), I sometimes get a partial loss of power when accelerating. It's usually when the temp is just under 90 deg C.

The symptoms are as follows:

- When accelerating, the car does accelerate but stutters or chucks along.
- When the car is chucking, there is a noise from the engine compartment akin to the waste gate chatter from an old rally car when they lift off. But in my case this happens under acceleration - which is just plain wrong.

This happens only when the car gets good and warm, and when the fans cool it down again, or I get it out of heavy traffic and the temp drops by even a few deg, it goes away. Strange.

I was thinking it might be the EGR???

Any of you fine people have any ideas as to what it might be?
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Old 17-08-11, 05:57 PM   #2
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firstly what engine is it ?? 1.6 hdi....2.0 hdi or even a petrol
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Old 17-08-11, 06:08 PM   #3
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Sounds like its regenerating.when it happens feel your door mirrors if they heat upits regenerating
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Old 17-08-11, 06:18 PM   #4
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Quote:
Originally Posted by nige65 View Post
Sounds like its regenerating.when it happens feel your door mirrors if they heat upits regenerating
yea thats what i was thinking as well BUT only the 1.6 does that"heat the mirrors up" doesnt it
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Old 17-08-11, 06:20 PM   #5
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firstly what engine is it ?? 1.6 hdi....2.0 hdi or even a petrol
Oh balls. Sorry lads. It's the 1.6 HDi. It's an 04 407.
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Old 17-08-11, 06:23 PM   #6
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yea thats what i was thinking as well BUT only the 1.6 does that"heat the mirrors up" doesnt it
Nope mine did it as well before i had it removed still not regenerating now been over 3 weeks touch wood.
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Old 17-08-11, 06:26 PM   #7
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Regenerating?? Is this the DPF regen cycle? If so, the guy I bought the car off told me that he'd had the DPF removed over a year ago.

I'll check my door mirrors next time it happens.
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Old 17-08-11, 06:28 PM   #8
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If he has you would know on the 1.6hdi its at the front of the engine and if you have had it into peugeot and they have run an update might have put map back.
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Old 17-08-11, 06:29 PM   #9
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yea thats what i was thinking as well BUT only the 1.6 does that"heat the mirrors up" doesnt it
Nope, the 2.0HDI will do it too.... mine does, and heated rear too
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Old 17-08-11, 06:38 PM   #10
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If he has you would know on the 1.6hdi its at the front of the engine and if you have had it into peugeot and they have run an update might have put map back.
No, it hasn't been back in to Peugeot. So I'm pretty sure any map that was on it is still on it.

I did remove battery power trying to reset a dodgy fuel gauge (which curiously righted itself after a little time). Would that have affected the map? Shouldn't have.
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