LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Saturn
>>
2003
>>
Ion 1 Automatic
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - Trouble Shooting
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Controls - Trouble Shooting
Expand All (for easy ctrl-f)
Collapse All
Introduction
Preliminary Inspection
Symptoms
Notes
Symptom Diagnosis
Cuts Out, Misses
Symptom Definition
Preliminary Checks
Fuel System Checks
Sensor/System Checks
Ignition System Checks
Engine Mechanical Checks
Additional Inspections
Detonation/Spark Knock
Symptom Definition
Preliminary Inspections
Fuel System Checks
Sensor/System Checks
Ignition System Checks
Engine Cooling System
Engine Mechanical Checks
Additional Checks
Engine Backfires
Symptom Definition
Preliminary Checks
Fuel System Checks
Sensor/System Checks
Ignition System Checks
Engine Cooling System Checks
Engine Mechanical Checks
Additional Checks
Engine Dieseling/Run-On
Symptom Definition
Preliminary Checks
Fuel System Checks
Hard Start
Symptom Definition
Preliminary Checks
Sensor/System Checks
Fuel System Checks
Ignition System Checks
Engine Mechanical Checks
Additional Checks
Hesitation, Sag Or Stumble
Symptom Definition
Preliminary Checks
Sensor/System Checks
Fuel System Checks
Ignition System Checks
Engine Cooling System Checks
Lack Of Power, Sluggish Or Spongy
Symptom Definition
Preliminary Checks
Fuel System Checks
Sensor/System Checks
Ignition System Checks
Engine Mechanical Checks
Additional Inspections
Poor Fuel Economy
Symptom Definition
Preliminary Checks
Fuel System Checks
Sensor/System Checks
Ignition System Checks
Engine Cooling System Checks
Engine Mechanical Checks
Additional Checks
Poor Fuel Fill Quality
Symptom Definition
Difficult To Fill
Over Fill
Pre-Mature Shut-Off Of Fuel Dispensing Nozzle
Fuel Spitback
Rough, Unstable Or Incorrect Idle & Stalling
Symptom Definition
Preliminary Inspections
Fuel System Checks
Sensor/System Checks
Ignition System Checks
Engine Mechanical Checks
Additional Inspections
Vehicle Surges Or CHUGGLES
Symptom Definition
Preliminary Checks
Sensor/System Checks
Fuel System Checks
Ignition System Checks
Restricted Exhaust
Notes
Test Description
Diagnostic Procedure
Visual/Physical Inspection
Additional Inspections
INTERMITTENTS
Notes
Harness Or Connector INTERMITTENTS
Electrical Connections Or Wiring
Control Module Power & Grounds, & Component Power & Grounds
Temperature Sensitivity
Electromagnetic Interference & Electrical Noise
Incorrect Pcm Programming
Duplicating Failure Conditions
Scan Tool Snapshot
Vehicle Data Recorder