GM 6.6L L8T Engine Guide
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GM 6.6L L8T Engine Guide

Are you looking for information on the GM 6.6L L8T Gas Engine? This article will discuss GM and Chevy’s new 6.6L gas engine, covering engine details and features, specs, performance potential, and problems and reliability.  L8T History & Engine Overview GM’s 6.6L V8 engine is the gas-engine option for 2500HD and 3500HD Silverado’s and Sierra’s….

How to Delete or Disable Active Fuel Management (AFM)
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How to Delete or Disable Active Fuel Management (AFM)

AFM or active fuel management is a GM/Chevy technology meant to improve gas mileage. AFM works by deactivating half of the engines cylinders under certain circumstances to reduce fuel usage. It essentially turns your V8 engine into a V4 which saves fuel. GM claims fuel improvements ranging from 5%-15% depending on the engine. So why…

Chevy Service Stabilitrak & Traction Control Lights

Chevy Service Stabilitrak & Traction Control Lights

Early to mid 2000’s Chevy trucks and suburbans have a common problem with the stabilitrak and traction control service lights appearing on the dash. For most truck owners, the warning lights occur frequently when the truck is idling and then disappears and reappears while driving. The “Service Stabilitrak” light will usually appear first and then…

P0449 Engine Code – Diagnosis & Troubleshooting

The P0449 engine code pertains to the EVAP system, which is the acronym for the Evaporative Emissions Control System. The purpose of the EVAP system is to absorb fuel vapor from the fuel tank to prevent it from being released into the atmosphere, which is environmentally damaging. The system collects fuel vapors via a canister filled…

Chevy P1345 Engine Code: Diagnosis & Repair

Receiving a P1345 code on your Chevy or GMC vehicle will read out as “Crankshaft Position-Camshaft Position Correlation”. While this error code can be caused by a faulty camshaft position sensor (CMP) or crankshaft position sensor (CPS), the issue a lot of the time relates to engine timing. On older Chevy engines, specifically the 5.7 Vortec,…

1999-2006 Chevy Silverado & Sierra Fuse Box Diagram
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1999-2006 Chevy Silverado & Sierra Fuse Box Diagram

The fuses are the heart of your Chevy’s electrical system. Nearly every system in a car that requires battery or electric power (windows, door locks, lighting, stereo, etc. etc.) is wired and powered through a fuse. The battery sends power to the fuse which then transfers it to the specific system on the car. The…

C0265 Engine Code: EBCM Relay Circuit – Diagnosis & Repair

C0265 Engine Code: EBCM Relay Circuit – Diagnosis & Repair

A C0265 on your Chevy or GMC Will read: Electronic Brake Control Module Relay Circuit. While that’s a mouthful, it doesn’t really give you a great idea of what the problem is. The EBCM, or electronic brake control module, is the electronic system that controls brake sensors and activates both traction control and ABS. Traction…