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Discussion Starter #1
I have a Cmax 1,6 tdi 115hk from 2011 with these 2 fault codes:

===PCM DTC P2457:17-2C===
Code: P2457 - EGR Cooler A Efficiency Below Threshold

Additional Fault Symptom:
- Circuit Voltage Above Threshold

Status:
- DTC Maturing - Intermittent at Time of Request
- Malfunction Indicator Lamp is Off for this DTC


===PCM DTC P245B:00-28===
Code: P245B - EGR Cooler Bypass Control Circuit Range/Performance (Bank 1)

Status:
- Previously Set DTC - Not Present at Time of Request
- Malfunction Indicator Lamp is Off for this DTC

Module: Powertrain Control Module

Michael Bach
 

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Sound similar to mine mate, I was told needed a new egr. That's arrived and there's a little plastic vacuum driven solenoid that's knackered too., can't find one other than Ford who want pretty much 500+ vat :(
 

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Discussion Starter #3
My bypass valve opens and closes, i think its the bypass valve positions senser there are bad.
 
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