Idle speed

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Thanks for all your help. It is clear that I need someone with decent diag, and who knows what they're doing.
Meanwhile I'm off to try and light the barbecue...
Thanks again
 
Thanks for all your help. It is clear that I need someone with decent diag, and who knows what they're doing.
Meanwhile I'm off to try and light the barbecue...
Thanks again
You need someone with a Nanocom or Faultmate, that will allow you to see the actual RPM and look at the CPS, needle lift sensor and the FIP functions. Or you could invest in your own Nanocom, it will save you a lot over time.
 
You need someone with a Nanocom or Faultmate, that will allow you to see the actual RPM and look at the CPS, needle lift sensor and the FIP functions. Or you could invest in your own Nanocom, it will save you a lot over time.

Not sure about the pic being of hevac. It shows CPS, needle lift etc. :confused:
But I think you're right I will consider getting a Nanocom , might just be what I need to stop feeling overwhelmed by the complexity of the P38.:eek:

And they're not tossers - just guys trying to help out. It was a favour, no cost...

(and the barbecue is alight ... so some success today!)
 
Not sure about the pic being of hevac. It shows CPS, needle lift etc. :confused:
But I think you're right I will consider getting a Nanocom , might just be what I need to stop feeling overwhelmed by the complexity of the P38.:eek:

And they're not tossers - just guys trying to help out. It was a favour, no cost...

(and the barbecue is alight ... so some success today!)
What pic? If it was on the same page as the CPS etc, as they said it's the IAT, this was in the inlet manifold on pre EGR engine but does not exist in that form on your car so it just shows the figure you quoted. The sensor by the intercooller behind the grill is the outside air temperature sensor for the HEVAC.
There is an inlet air temperature sensor in the MAF, Wammers will tell you it does nothing, it does not show on diagnostics, nor does the MAF airflow.
You can try unplugging the MAF and see if it affects the running.
 
Sorry Datatek, I misunderstood. Yeah the sensor behind the grill is for the hevac, I see.
Thanks again. Tomorrow I'll try disconnecting MAF ...
 
What pic? If it was on the same page as the CPS etc, as they said it's the IAT, this was in the inlet manifold on pre EGR engine but does not exist in that form on your car so it just shows the figure you quoted. The sensor by the intercooller behind the grill is the outside air temperature sensor for the HEVAC.
There is an inlet air temperature sensor in the MAF, Wammers will tell you it does nothing, it does not show on diagnostics, nor does the MAF airflow.
You can try unplugging the MAF and see if it affects the running.

It tells the ECU the temp of the air flowing through the MAF so the ECU knows how much EGR is being applied but does nothing for the fuelling.
 
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