How do I get More power from my 6 cylinder 2008 Sierra?

Asked by Joey Dec 09, 2020 at 07:39 PM about the 2008 GMC Sierra 1500 SLT Ext. Cab LB

Question type: Car Customization

What can I do to get more power out of my 2004
GMC Sierra 6 cylinder ? Also what would make the
engine light starts flashing at 75 mph.

2 Answers
41,240

TDolby answered 3 years ago

A flashing engine light might mean a misfire. Scan for the OBDii trouble codes to get an idea on what the exact issue is.

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F_O_R answered 3 years ago

Don't waste your time trying to get more power. Sell it and buy a V8 truck. Any V8 will be far faster than a hot V6.

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