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Home >> Chevrolet >> 2006 >> Uplander Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.5L - Troubleshooting & Diagnosis >> Symptoms - Ignition System
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Symptoms - Ignition System

Ignition System

Symptoms Ignition System
Find the symptom in the left column and perform the test/inspection procedure in the right column. Be sure to review each cell of the table to identify all tests for a symptom.
  • Hard Start
  • Surges/Chuggles
  • Lack of Power, Sluggishness or Sponginess
  • Detonation/Spark Knock
  • Hesitation, Sag, Stumble
  • Cuts Out, Misses
  • Poor Fuel Economy
  • Rough, Unstable or Incorrect Idle and Stalling
  • Dieseling, Run-On
  • Backfire
  • Hard Start
  • Surges/Chuggles
  • Lack of Power, Sluggishness or Sponginess
  • Hesitation, Sag, Stumble
  • Cuts Out, Misses
  • Poor Fuel Economy
  • Rough, Unstable or Incorrect Idle and Stalling
  • Backfire
Inspect the crankshaft position (CKP) sensor for the following conditions: