Question about 2006 Jaguar X-Type 2.2

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Since turbo boost valve opening fully on cranking, now Coil orange light flashing & orange engine management light on constant

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When the service engine soon light (Also called the check engine light or engine management light) is turned on this is to alert you to the fact that Powertrain Control Module (computer) has detected a failure somewhere in the systems it controls you may not feel any difference in the way the engine runs, this can be the transmission or the engine or emission system, there are fault codes set in the modules memory for these faults. What needs to happen now is to have the powertrain control module scanned with a special tool called an OBD2 electronic engine control scanner or a OBD2 code reader. Once the code(s) are read then you must perform the diagnostics for each code and make the appropriate repairs based on the findings of the diagnosis that was performed, this is called doing "Pinpoint" testing.

Posted on Oct 26, 2012

  • Anthony Phelps Oct 28, 2012

    Information recieved very usefull. My mechanic is checking the ECU electrics and the wireing inside the turbo booster checked to illuminate this first before changing expensive parts, whell done all.



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Posted on Jan 02, 2017

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SOURCE: diagnostic fault p2263

It sounds like the intake on your turbo is not opening up like it should. I recommend you to get it look at more closely or get it replaced.

Posted on May 25, 2009

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In the old days the turbo would boost as soon as the engine speed was sufficiently high and any over pressure would be dumped by a relief valve or controlled by a wastegate.

In these modern times of electronics the turbo wastegate is normally open instead of normally closed so there is no automatic boost. The engine management system decides when there will be boost and how much boost there will be.

Turbo chargers are amazingly reliable unless they are abused or there has been foreign matter ingress. When looking for the cause of no boost it is wise to disconnect the intake trunking and turn the compressor vanes by hand to ensure all is well.

Disconnect the vacuum line to the wastegate servo and apply suction to the servo to ensure the servo, the linkage and wastegate is moving and in good order.

The next stage is to examine the vacuum line and connections back to source and then ensure the vacuum supply is adequate.

If all is found to be well with those physical checks the cause of no boost is either the failure of one of the vacuum switches (or the electrical wiring or connections to them) or a fault condition exists that has caused the engine management to decide not to provide turbo boost.

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I think the actual problem may be generic to Saabs of the same age. So maybe this information will help many others

Yes the turbo was faulty but no it was simple to fix and did not cost me a lot.

the wastegate ( a valve which is opened to switch on the turbo) is driven by a vacuum actuator - and the actuator leaver arm which connects to the wastegate to the actuator had fallen off.

So The wastegate valve was stuck semi open up and never moved.

This does not directly show any engine error or cause any emissions
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My local garage man did the work needed in 2.5 hours on the ramp and did not have to take much too bits to make a good repair.

Car goes like a train, and the engine management light - which was coming on at odd times has since stayed off.

I suspect that the management light which was coming on due to emissions sensors -- triggered by some series of events which cause the emmision to go out out of line, due to the turbo not fully working.

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I don't know much about Subaru but I expect the turbo wastegate is controlled by vacuum which is switched by the engine management system.

In the old days the turbo wastegate was normally closed and the manifold pressure was fed into a servo which opened the gate at the predetermined pressure.

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