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HOMESERVICE MANUALSSUZUKI2013SX4 CROSSOVER, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE GENERAL INFORMATION & DIAGNOSISDIAGNOSTIC INFORMATION AND PROCEDURESDTC P2096/P2097: POST CATALYST FUEL TRIM SYSTEM TOO LEAN/POST CATALYST FUEL TRIM SYSTEM TOO RICHDTC DETECTING CONDITION AND TROUBLE AREA
2013 Suzuki SX4 Crossover, Automatic CVT Trans

DTC Detecting Condition and Trouble Area

2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION DTC Detecting Condition and Trouble Area
DIAGNOSTIC INFORMATION AND PROCEDURES REFERENCE CHART

DTC detecting condition Trouble area
P2096: Post Catalyst Fuel Trim System Too Lean 
Average of short term fuel trim based on HO2S is lower than -2.2% for 5 sec.
(2 D/C detection logic)
  • Vacuum leakage
  • Exhaust gas leakage
  • Fuel injector malfunction
  • HO2S and/or its circuit
  • A/F sensor and/or its circuit
  • Engine compression
  • Valve clearance
  • Intake and exhaust valve
  • Timing chain
  • Timing chain tensioner
  • ECM
P2097: Post Catalyst Fuel Trim System Too Rich 
Average of short term fuel trim based on HO2S is higher than 2.2% for 5 sec.
(2 D/C detection logic)

DTC Confirmation Procedure 

WARNING: If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.
  • Select a level road with no traffic to minimize the risk of accident.
  • Perform the test extremely carefully.
  • Perform the road test using 2 persons, a driver and an assistant.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.