Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1995SPORTVAN G20, 6.5 PREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 17 (ENGINE CONTROLS - TESTS W/CODES - 5.0L)
1995 Chevrolet Sportvan G20, 6.5 P
Section 17 (Engine Controls - Tests W/Codes - 5.0L)
1995 Chevrolet Sportvan G20, 6.5 PSECTION Section 17 (Engine Controls - Tests W/Codes - 5.0L)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1994 GMC Vandura, 1994 GMC Rally, 1994 GMC Pickup, 1994 Chevrolet Sportvan, and 1994 Chevrolet Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Trouble Code Charts
- Notes
- Code 13, Open Oxygen Sensor Circuit
- Code 14, Coolant Sensor Signal Voltage Low
- Code 15, Coolant Sensor Signal Voltage High
- Code 16, VSS Buffer Fault - "G" Series
- Code 21, TPS Signal Voltage High
- Code 22, TPS Signal Voltage Low
- Code 24, VSS - "C" & "K" Series Exc 5.0L M/T
- Code 24, VSS - "C" & "K" Series 5.0L M/T
- Code 24, VSS Transmission Output Signal - "G" Series A/T
- Code 32, EGR Circuit Error With Linear EGR
- Code 32, EGR Circuit Error - "C" & "K" Series M/T
- Code 32, EGR Circuit Error - Models Using Manifold Vacuum, 2-Terminal Solenoid & BACKPRESSURE EGR
- Code 32, EGR CKT Error Models Using Ported Vacuum & EVRV Sol
- Code 33, Map Sensor Signal Voltage High
- Code 34, Map Sensor Signal Voltage Low
- Code 35, Idle Speed Error
- Code 36, Idle SPD Actuator Fault - "C" & "K" A/T
- Code 42 - Ignition Control
- Code 43, Knock Sensor W/O Spark Module (Single Sensor) - "C", "G", "K" Series A/T
- Code 43, Knock Sensor With Spark Control Module
- Code 44, Lean Exhaust Indication
- Code 45, Rich Exhaust Indication
- Code 51, Prom Error (Faulty Or Incorrect Prom)
- Code 52, Faulty CALPAK
- Code 53, System OVERVOLTAGE
- Code 55, ECM/Pcm Error
- Code 54, Fuel Pump Circuit
- Summary
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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.