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  1. SouthWestern

    Coolant level warning - just for a second

    Just adding that after a few days of this behaviour, the coolant level sensor seems to be working fine. I did buy another (not bosch, couldn't find one) but I am sending that back as the cheap one seems to work fine. Almost as if the car had to learn that it had a new sensor... or needed time...
  2. SouthWestern

    Coolant level warning - just for a second

    @Pedro Just wondering if this is from personal experience of this sensor, or just a general preference for Bosch? Reason for asking is I haven't been able to find one, just Bosch temperature sensors. I bought the this one from Amazon, it seems to get mostly 5* reviews... I guess I could try...
  3. SouthWestern

    Coolant level warning - just for a second

    The coolant level warning came on permanently a few days ago - coolant level was perfect. Having read on the forum that the coolant level sensor frequently fails, we changed it. This removed the message in text on the dash/radio display, and the red warning picture that was on the little...
  4. SouthWestern

    Engine Fault Warning - Turbo Coolant Pump?

    Thanks, the NT634 is one that I have been looking at. (Also 650 Elite). foxwell.co.uk say that these are not sold in UK and no warranty... anything to be genuinely concerned about? Do you still get updates - that's the thing I am most concerned about, though we don't have a new car...
  5. SouthWestern

    Engine Fault Warning - Turbo Coolant Pump?

    ...is back again. Once again, there are no codes stored according to the two OPBD-II readers that I have. The turbo cooling pump was replaced back in early 2020 after my local independent read the codes: P2600 Peugeot Coolant Pump Control Circuit open and P2603 Peugeot Coolant Pump Control...
  6. SouthWestern

    What is this component and what does it do?

    Many thanks both - I am learning new stuff now. It is indeed a Helmholz resonator and I have read all about them now 😀
  7. SouthWestern

    Engine Fault Warning - Turbo Coolant Pump?

    Thanks, I found that reference earlier via a different post:, my daughter called her local dealer and they said the work has already been done.
  8. SouthWestern

    Engine Fault Warning - Turbo Coolant Pump?

    Now had the codes read at my local independent - they are usually very good. Their reader also showed a P2603 - turbo coolant pump open circuit as a permanent fault. So will probably get it in to have the pump changed. Interesting though, I can hear the pump running after the ignition is...
  9. SouthWestern

    What is this component and what does it do?

    Took this off to get a better look at the turbo cooling pump. What is it for? Nicely sealed at one end to an air pipe, open at the other and nothing in the airflow. Is it missing a filter or something? Just curious...
  10. SouthWestern

    Engine Fault Warning - Turbo Coolant Pump?

    frankvdb thanks! Had not found this post myself and it sounds very relevant; I was intending t clean all contacts but had not thought about the fuse. Sure enough, it was coated in some sort of varnish. I cleaned this off... The warning is still there, but I don't know if this is stored...
  11. SouthWestern

    Engine Fault Warning - Turbo Coolant Pump?

    misterx - that is the problem exactly. For predictable faults, this kind of warning system is fine. The faulty module is identified, the dealer changes it, job done. But many years of fault-finding (on computers) has taught me that faults are often not predictable; when things "go wrong"...
  12. SouthWestern

    Engine Fault Warning - Turbo Coolant Pump?

    My daughter's 2010 RCZ came up the the "Engine Fault, Repair Needed" warning. Taking it to her local independent, they found a couple of codes: P2600 Peugeot Coolant Pump Control Circuit open P2603 Peugeot Coolant Pump Control Circuit High The garage checked that the pump was running, it was...
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