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Discussion Starter #1
Got these two faults anyone tell me how to fix them. I had a new MAF (quality one) last year.


Permanent Fault. EGR Circuit. Airflow measured higher than recommended.
Intermittent Fault. Diesel Temperature Signal. Coherence.
 

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Discussion Starter #4
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Got these two faults anyone tell me how to fix them. I had a new MAF (quality one) last year.


Permanent Fault. EGR Circuit. Airflow measured higher than recommended.
Intermittent Fault. Diesel Temperature Signal. Coherence.
When I had the diesel temp problem, i just ordered a new sensor from peugeot. Fixed it instantly.
 

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Discussion Starter #9
Anyone know where the Diesel Temp sensor goes on a 2.0 HDi 90 , 2002 year.

Would a bust one of these account for the clouds of smoke from the car on cold mornings earlier this year.
 

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No the green sensor is the coolant sensor. The diesel temp sensor is on rear of HP pump or on fuel rail.

The fuel temperature is measured by ecu to calculate fuel density for correct amount of fuel to be injected.
 

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Discussion Starter #13
Thanks Windy, mine is a 90HP RHY engine do you know which of the two it will be.
Will a faulty one cause clouds of smoke on a cold day,when cold?
 

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Discussion Starter #14
Part number

Hi can anyone post the part number for the diesel temp sensor. Peugeot think I need a new fuel rail and pipes!!!
 
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