2012 xf check engine light
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Hi RayICS,
What the Check Engine Light (CEL) is telling you is that some component or system has malfunctioned. Malfunctions that cause the CEL to illuminate also cause Diagnostic Trouble Codes (DTCs) to be stored in the memories of the relevant Electronic Control Units (ECUs), such as the Engine Control Module (ECM), Transmission Control Module (TCM), etc.
As JagV8 suggests, most auto parts stores will scan the vehicle for DTCs for free. Their scanners can usually read the Powertrain (P-prefix) codes most likely to trigger the CEL. But bear in mind that Jaguar also uses additional, proprietary DTCs for malfunctions in Body (B), Chassis (C) and Network (U) systems. These proprietary codes can only be read by Jaguar dealer-level diagnostic systems or high-end third-party systems (some independent Jaguar mechanics will have such a system).
If you will have the codes scanned and post them here exactly as they appear, with the prefix letters, we'll try to help.
Cheers,
Don
What the Check Engine Light (CEL) is telling you is that some component or system has malfunctioned. Malfunctions that cause the CEL to illuminate also cause Diagnostic Trouble Codes (DTCs) to be stored in the memories of the relevant Electronic Control Units (ECUs), such as the Engine Control Module (ECM), Transmission Control Module (TCM), etc.
As JagV8 suggests, most auto parts stores will scan the vehicle for DTCs for free. Their scanners can usually read the Powertrain (P-prefix) codes most likely to trigger the CEL. But bear in mind that Jaguar also uses additional, proprietary DTCs for malfunctions in Body (B), Chassis (C) and Network (U) systems. These proprietary codes can only be read by Jaguar dealer-level diagnostic systems or high-end third-party systems (some independent Jaguar mechanics will have such a system).
If you will have the codes scanned and post them here exactly as they appear, with the prefix letters, we'll try to help.
Cheers,
Don
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hen555 (04-26-2018)
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Hopefully you won’t need 2 new MAF sensors soon.
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Don B (04-24-2018)
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Yep, I still have the Lambo, and I plan to keep it for a long time. I won't be doing any big mods to it because mine is the later and rare 6-spd manual, which is widely considered to be one of the Lambos that will appreciate significantly. Keeping my car close to stock is key to that valuation, so adding twin-turbos would not be good for collectibility.
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