P1258 Archives - My Pro Street

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How To Replace your GMC Sierra Thermostat

John Huh - February 27, 2015

When you have overheating problems in your GMC Sierra, it can lead to check engine codes like P1258 and engine damage. If your Sierra is overheating...

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Synthetic vs Conventional Oil: Which Wins?

August 26, 2026

King of the Streets 2026 will bring more than 300 lowriders, a live parade and a $10,000 hydraulic hopping competition to San Francisco.

King of the Streets 2026 Brings Lowrider Parade and $10,000 Hopping...

August 25, 2026

A CAN bus resistance test can reveal missing termination, shorted wiring and open circuits. Here’s how to test pins 6 and 14 safely.

How to Test CAN Bus Resistance at the OBD-II Port

August 25, 2026

Tag: P1258

How To Replace your GMC Sierra Thermostat

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EVEN MORE NEWS

Synthetic vs Conventional Oil: Which Wins?

King of the Streets 2026 Brings Lowrider Parade and $10,000 Hopping...

How to Test CAN Bus Resistance at the OBD-II Port

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