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Engine Controls - Troubleshooting - No Codes
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Engine Controls - Troubleshooting - No Codes
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Introduction
Preliminary Inspection
Symptoms
Notes
Symptom Diagnosis
Cuts Out, Misses
Symptom Definition
Sensor/System
Fuel System
Ignition System
Engine Cooling
Engine Mechanical
Additional
Detonation/Spark Knock
Symptom Definition
Fuel System
Ignition System
Engine Cooling System
Engine Mechanical
Additional
Engine Backfires
Symptom Definition
Sensor/System
Ignition System
Engine Cooling System
Engine Mechanical
Additional Checks
Engine Dieseling/Run-On
Symptom Definition
Fuel System
Hard Start
Symptom Definition
Sensor/System
Fuel System
Ignition System
Engine Mechanical
Hesitation, Sag Or Stumble
Symptom Definition
Sensor/System
Fuel System
Ignition System
Automatic Transaxle
Additional
Lack Of Power, Sluggish Or Spongy
Symptom Definition
Sensor/System
Fuel System
Ignition System
Engine Mechanical
Automatic Transaxle
Additional Checks
Poor Fuel Economy
Symptom Definition
Preliminary
Fuel System
Sensor/System
Ignition System
Engine Cooling System
Engine Mechanical
Additional Checks
Poor Fuel Fill Quality
Difficult To Fill
Over Fill
Pre-Mature Shut Off Of Fuel Dispensing Nozzle
Fuel Spitback
Liquid To EVAP Canister
Liquid Leak To Ground
Fuel Odor
Rough, Unstable Or Incorrect Idle & Stalling
Symptom Definition
Fuel System
Sensor/System
Ignition System
Engine Mechanical
Additional Checks
Vehicle Surges Or CHUGGLES
Symptom Definition
Sensor/System
Fuel System
Ignition System
Additional Checks
INTERMITTENTS
Notes
Definition
Preliminary
Harness Or Connector INTERMITTENTS
Electrical Connections Or Wiring
Pcm Power & Grounds
Temperature Sensitivity
Electromagnetic Interference (EMI) & Electrical Noise
Incorrect Pcm Programming
Duplicating Failure Conditions
Scan Tool Snapshot