Jaguar XK - 4.2i

2 ECUs found for this engine. Select an ECU to view available tuning services and pricing.

Jaguar XK 4.2i Engine Specifications

Fuel Type
Petrol
Displacement
4196 cc (4.2L)
Compression Ratio
9.1 : 1
Bore x Stroke
86.0 X 90.3 mm
Engine Code
9C
Power per Liter
99.1 HP/L

Jaguar XK 4.2i Stage 1 Chiptuning Results

VariantOriginal HPTuned HP+HPOriginal NmTuned Nm+Nm
4.2 V8 Supercharged 416hp416470+54560650+90

Jaguar XK 4.2i: Before this file is prepared

For the Jaguar XK 4.2i, the uploaded file is the final reference. We check whether it is original or already modified before preparing the order, and we contact you first if the read or selected service does not match the vehicle data.

  • Upload a complete original ECU read from the tool you used, or a TCU read only when the selected service is gearbox tuning.
  • Add the vehicle year, gearbox, read/write tool and any dashboard or diagnostic symptoms.
  • Select only the services that match the actual vehicle hardware and intended legal use.

Other XK Engines

Jaguar XK 4.2i Frequently Asked Questions

What tuning services are available for the Jaguar XK 4.2i?
WEREMAP offers 16 tuning services across 2 ECU variants for the Jaguar XK 4.2i.
How much does ECU tuning cost for a Jaguar XK?
ECU tuning prices for the Jaguar XK 4.2i range from 24 to 180 credits, depending on the ECU variant and tuning service selected.
What ECU does the Jaguar XK 4.2i use?
The Jaguar XK 4.2i is available with the following ECU variants: Denso 512kb, Denso SH7058. WEREMAP provides professional tuning files for all of these.

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