Feds Expand Probe Into GM's V8 Engine Failure Issue

GM has been dealing with a problem under the hood, specifically, the ubiquitous 6.2-liter L87 V8 engine. Used in models such ...

NHTSA opens fresh investigation into GM vehicles over possible engine failures

The new engineering analysis covers 286,000 vehicles that were part of NHTSA’s original investigation but weren’t covered ...

Feds Widening Investigation Into GM Trucks and SUVs Powered by 6.2-Liter V-8s, Even After Recall

This post has been updated to clarify the relationship between this latest investigation and GM's earlier recall of the L87 ...
GM Authority

Here's Why Some Chevy Express And GMC Savana Units Freak Out Under High-Voltage Power Lines

Upfitted Chevy Express and GMC Savana models may experience electrical issues under power lines due to ungrounded roof bows acting as a big antenna.
Electronic Design

Understanding the Challenges of Measuring Battery Cell Voltage

Battery cell voltage is the most fundamental measurement made on the cell. While on the surface measuring voltage seems easy, ...
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GM 6.2L Engine Recall Could Get Bigger After New NHTSA Investigation

The National Highway Traffic Safety Administration is supercharging its investigation into General Motors' 6.2-liter L87 V8 ...
GM Authority

NHTSA Probing GM 6.2L V8 L87 Engine Failures Not Involved In Recall

NHTSA investigates GM L87 6.2L V8 engine failures in trucks not included in the recent recall. The probe addresses 173 reports of bearing failure.