Powertrain Management: Technical Service Bulletins

• Recalls
  • Emissions
    • Recall - Suspension of EGR System Recall R493
    • Recall - ECM PROM Update
      • Overview
      • Action
      • Issue 1 - Replacing PROM
      • Issue 2 - Replacing EGR Valve
      • Issue 3 - Replacing Throttle Return Spring - Normally Aspirated
      • Replacing Throttle Return Spring - Supercharged Engines
      • Owner Letter - 1995 Model Year 4.0L Normally Aspirated 6 Cyl.
      • Owner Letter - 1995 Model Year 4.0L Supercharged 6 Cylinder
  • Generals
    • Campaign - PROM Update Campaign Revision
• Customer Interest
  • Throttle - Sticking in Closed Position
  • Throttle - Hard to Open on Cold Engine
    • Overview
    • Modification Procedure
  • Fuel Gauge - Inaccurate Readings
• By Symptom
  • Customer Interest
    • Throttle - Sticking in Closed Position
    • Throttle - Hard to Open on Cold Engine
      • Overview
      • Modification Procedure
    • Fuel Gauge - Inaccurate Readings
  • Erratic Operation
    • Throttle - Sticking in Closed Position
  • Erratic Shifting
    • Transmission - Diagnosis, Verifying Fluid Level
  • False instrument warning light/gauges
    • Fuel Gauge - Inaccurate Readings
  • Recalls
    • Recall - Suspension of EGR System Recall R493
    • Campaign - PROM Update Campaign Revision
    • Recall - ECM PROM Update
      • Overview
      • Action
      • Issue 1 - Replacing PROM
      • Issue 2 - Replacing EGR Valve
      • Issue 3 - Replacing Throttle Return Spring - Normally Aspirated
      • Replacing Throttle Return Spring - Supercharged Engines
      • Owner Letter - 1995 Model Year 4.0L Normally Aspirated 6 Cyl.
      • Owner Letter - 1995 Model Year 4.0L Supercharged 6 Cylinder
  • Sticking/Binding
    • Throttle - Hard to Open on Cold Engine
      • Overview
      • Modification Procedure
    • EGR Valve - DTCs P0400, P1400, and P1401 EGR
  • Stiff controls
    • Throttle - Sticking in Closed Position
• All Technical Service Bulletins
  • Transmission - Diagnosis, Verifying Fluid Level
  • Engine Performance - Correcting Poor Idle Quality
  • Spark Plugs - Change to Hotter Plugs
  • Key Transponder Module - Programming
  • Recall - Suspension of EGR System Recall R493
  • Campaign - PROM Update Campaign Revision
  • Recall - ECM PROM Update
    • Overview
    • Action
    • Issue 1 - Replacing PROM
    • Issue 2 - Replacing EGR Valve
    • Issue 3 - Replacing Throttle Return Spring - Normally Aspirated
    • Replacing Throttle Return Spring - Supercharged Engines
    • Owner Letter - 1995 Model Year 4.0L Normally Aspirated 6 Cyl.
    • Owner Letter - 1995 Model Year 4.0L Supercharged 6 Cylinder
  • Tool - Fuel Line Disconnect
  • Fuel Tank Pipe Seals - Replacement Procedure
  • Throttle - Sticking in Closed Position
  • Throttle - Hard to Open on Cold Engine
    • Overview
    • Modification Procedure
  • Air Injection Pump - Revised Pump Requires Fuse Upgrade
  • Fuel Gauge - Inaccurate Readings
  • Tool - EVAP Tester
    • Overview
    • Check List
    • Equipment Self Test
    • Vehicle EVAP System Test
    • Ultrasonic Leak Detector
  • Adaptive Fueling System - Diagnostic Procedure
    • Overview
    • Procedure to Check and Reset Adaptions
    • Drive Cycle
  • PDU Software - JTP 627/5 Update
  • PDU Software - MPA Lock Up/Recovery Procedure
  • PDU - Software Update
  • PDU - Software Updates
  • PDU Download Capture/Print Out - R.O.T
  • PDU - New Software
  • Tool - OBDII Generic Scan Tool (GDS 500E)
  • WDS - JTP 759/13 Software
  • Throttle Sticking/PCV Modification - Update Reference
  • EGR Valve - DTCs P0400, P1400, and P1401 EGR
  • Engine Controls - Removal of Seized Oxygen (O2) Sensors