Sudden independent acceleration with brake unresponsiveness
Compound failure of two safety-critical systems together
Check engine light: On
Sudden, independent acceleration occurring without driver input, combined with the brake system becoming unresponsive specifically during that acceleration event — a compound failure of two independent safety-critical systems failing together.
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Fuel leaking from a cracked fuel pump flange
Strong fuel odor while driving, echoes the Jaguar XF
Check engine light: On
Fuel leaking from a cracked fuel pump flange, with a strong fuel odor while driving, is also reported on the Jaguar XF, where cracked fuel-tank flanges and fire risk are the dominant complaint.
The same fuel-system failure is reported on other Jaguar models, not only the XF.
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Fuel pump wires melting, causing a documented fire
Melted fuel pump wiring and a short circuit, with a documented fire
Check engine light: On
Owners report fuel pump wires that melted, causing short circuits and resulting in 1 documented fire. Separately, plastic coolant tubing failure is reported as creating its own, independent fire hazard risk.
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Vehicle stuck in drive gear, independent deceleration
Engine replacement required in 2 documented cases
Check engine light: On
Engine/powertrain complaints describe the vehicle becoming stuck in drive gear, independent deceleration while driving (the vehicle slowing on its own without brake input), and internal engine damage severe enough to require full engine replacement in 2 separate documented cases.
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Interior and exterior material degradation
Buttons degrading into a "gummy substance," clear coat peeling
Check engine light: Off
Several material-quality problems: interior buttons degrading into what owners describe as a 'gummy substance,' suede interior lining deterioration, wood grain fading, and clear coat peeling on the roof panel even on a garage-stored vehicle.
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Fuel leaking from a cracked fuel pump flange, with a strong fuel odor while driving, is also reported on the Jaguar XF, where cracked fuel-tank flanges and fire risk are the dominant complaint. A separate, independent sample documents fuel pump wires that melted, causing a short circuit and a documented fire — a second ignition pathway on this nameplate. One especially severe report describes sudden, unintended acceleration combined with the brake system becoming unresponsive during that acceleration event — a compound failure of two independent safety-critical systems failing together.