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HOMESERVICE MANUALSISUZU1996TROOPER S, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/O CODESSYMPTOMSHESITATION, SAG OR STUMBLE
1996 Isuzu Trooper S, Automatic

Hesitation, Sag Or Stumble

1996 Isuzu Trooper S, AutomaticSECTION Hesitation, Sag Or Stumble
NOTE: On some automatic transmissions hesitation may occur when first put in gear, after vehicle has not been running for a prolonged period of time. This is do to torque converter drain. Refer to 1996 Imported Transmission Service & Repair manual for correction of symptom.
  • Check for faulty O2 sensor.
  • Check fuel pressure.
  • Check for contaminated fuel.
  • Check for binding TP sensor.
  • Check ignition timing.
  • Check MAP sensor operation (if equipped).
  • Ensure charging system voltage is correct.
  • Ensure ignition system is properly grounded.
  • Check for faulty spark plugs or wires.
  • Check canister purge system.
  • Check EGR system.
  • Check for faulty TP sensor.
  • Check for proper PCM grounding.
  • Check for faulty MAF connections.
  • Check for faulty vacuum lines.
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.