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 MANUALSGMC2011SAVANA SPECIAL 4.8 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE CONTROLS AND FUEL - 6.6L (LGH) - DTC P0016 THROUGH DTC P11DC)DIAGNOSTIC INFORMATION AND PROCEDURESDTC P008FTESTINGCOMPONENT TESTING
2011 GMC Savana Special 4.8 A
Component Testing
2011 GMC Savana Special 4.8 ASECTION Component Testing
WARNING: This page is about a different variant/trim than selected.
- Measure and record the resistance of the ECT sensor at various ambient temperatures and compare those measurements to the Temperature vs. Resistance table. Refer to Temperature Versus Resistance (Fuel Temperature Sensor) , Temperature Versus Resistance (IAT Sensor 1) , Temperature Versus Resistance (EGT Sensors) , Temperature Versus Resistance (IAT Sensor 2) , Temperature Versus Resistance (ECT Sensors) , Temperature Versus Resistance (EGR Temperature Sensors) .
- Refer to Thermostat Diagnosis .
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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.