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Richard, Jaguar Technician
Category: Jaguar
Satisfied Customers: 15522
Experience:  12 years at a Ford/Lincoln Mercury and Jaguar dealer as technician and shop foreman.
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P061A code thrown and Restricted Performance issue today.

Customer Question

P061A code thrown and Restricted Performance issue today. This is after a classic DSC/Throttle dash christmas tree accompanied by total shutdown that the dealer "fixed" with 175A megafuse? replacement. My gut says Throttle Body or bad MAF or PCM/wiring (2011 Jag XK naturally aspirated). Very, very frustrating. Had the spontaneous shutdown twice before on interstate at about New AGM battery, so no problems there.
JA: Have you checked all the fuses? Do you have a wiring diagram?
Customer: Supposedly, the dealer did an entire smoke/pressure test and looked at electrics (thus the megafuse replacement (underhood I believe). I can get the diagram but that is likely above my pay grade...
JA: What year is your Classic?
Customer: 2011 XK naturally aspirated 5.0 V8
JA: Are you fixing your Classic yourself? What have you tried so far?
Customer: was going to clean the throttle body and MAF until I discovered they are integrated into one piece...other than that, nothing. I picked it up from the dealer Tuesday...
JA: Anything else you want the mechanic to know before I connect you?
Customer: I don't think so...
Submitted: 10 months ago.
Category: Jaguar
Expert:  Richard replied 10 months ago.
Is that the only fault code stored? What type of tool was used to scan the vehicle?
Customer: replied 10 months ago.
it was an Automatic OBD II connected via bluetooth to my phone
Customer: replied 10 months ago.
the only code.
Customer: replied 10 months ago.
suppose it could also be the TPS....
Expert:  Richard replied 10 months ago.
OK usually that is accompanied by other codes. Yes it could be a throttle or problem with the wiring to it. Sometimes the connector pins can be bad and loosen at the crimps.
Expert:  Richard replied 10 months ago.
For the mass air flow sensors since there are two it is usually not one of them if that is the only code.
Expert:  Richard replied 10 months ago.
I also recommend checking the crank sensor connector
Customer: replied 10 months ago.
ok, so throttle body/wiring/pins/crank sensor connector...any other likely culprits?
Expert:  Richard replied 10 months ago.
Those are the most likely suspects.
Customer: replied 10 months ago.
Ok. Thank you
Expert:  Richard replied 10 months ago.

You are very welcome. Thre was a service bulletin for some of the older vehicles for an ECM software change but I do not think it is your issue.