hawkeye651

do you have the part number for the cam sensor? I don't have that error on my car, but I consider change this sensor also cause I've seen it in other Cayenne S. it looks like this sensor is just another part that needs to be changed.

about the Backfires though Intake:

They are caused by a bad intake valve and thats it.

What can be done? You can probably get a valve job done, but thats beyond what I would do to my car now cause you have to take out your heads, etc...

I started to use Gasoline aditives, those that are specialy made to clean the valves and intake sistem. the result is good, not even a backfire since then. I used till now 2 botles and 200 liters of gas. :)

Hope this helps.

Ilie

Apologies for the delay - just got the part no. from the garage - 948 105 303 06 described as 'Throttle Control Element'.

Seems to have done the trick for me. :D

Just had the cam sensor changed along with 8 ignition coils (all cracked!) and the symptoms appear to have gone for now.

:renntech:

Hi,

Similar fault on my UK Mar 2005 Cayenne S - 40,000m.

After numerous attempts to diagnose the fault I have managed to capture the following Fault Code on two separate occasions:-

Code P0021 - intake cam shaft adjustment bank 2 implausible signal.

Question - does this indicate a dodgy sensor and could this be the source of the fault?

Grateful for any thoughts.

Thanks

:)

P0021 Adjustment of Inlet Camshaft in relation to Crankshaft, Bank 2 – Signal Implausible

Possible cause of fault

- Dirt in oil circuit

- Sealing strips on inlet camshaft adjuster faulty

- Oil pressure too low

- Mechanical fault in inlet camshaft adjuster

- Magnetic hydraulic valve faulty

Many thanks Loren - will report back.

Anyone?

:(

Hi,

Similar fault on my UK Mar 2005 Cayenne S - 40,000m.

After numerous attempts to diagnose the fault I have managed to capture the following Fault Code on two separate occasions:-

Code P0021 - intake cam shaft adjustment bank 2 implausible signal.

Question - does this indicate a dodgy sensor and could this be the source of the fault?

Grateful for any thoughts.

Thanks

:)