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Home >> Land Rover >> 2015 >> LR2 HSE >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Exhaust System - V8 5.0L Petrol/V8 S/C 5.0L Petrol -- XF/X250) >> Exhaust System - V8 5.0L Petrol/V8 S/C 5.0L Petrol >> Diagnosis And Testing >> Exhaust System >> Symptom Chart

Symptom Chart

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SYMPTOM POSSIBLE CAUSES ACTION
Excessively noisy/leaking exhaust
  • Exhaust system/components
 Inspect exhaust system. Rectify leaks and install new components as required. Refer to removal and installation instructions in this section
Loss of power
  • Air intake system fault
  • Restricted exhaust system
  • Exhaust sound enhancement valve stuck closed
  • Low fuel pressure
  • Ignition system
  • Exhaust gas recirculation valve(s) fault
  • Supercharger fault
  • Electronic engine control
 Check the air intake system. Inspect exhaust system. Check for a blocked catalytic converter or muffler. Install new exhaust components as required. Refer to Removal and Installation instructions in this section. Check the fuel pressure. For exhaust gas recirculation valve and supercharger tests, refer to the relevant section of the service information. Check for fuel, ignition and electronic engine control system DTCs and refer to the relevant DTC Index
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