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What is normal running temp 2008 siverado 4.3 engine?

The normal operating temperature for a 2008 Silverado with a 4.3L engine is between 195°F and 220°F (90°C and 104°C). However, it can fluctuate slightly depending on outside temperature and driving conditions. If it consistently runs outside this range, especially significantly higher, it warrants investigation by a mechanic.