There are various reasons an engine can lose horsepower, including carbon buildup, failed seals, and rusty (or worn-down) metal parts.
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.
If there’s one warning light that unites every driver from Anchorage to Miami, it’s that little amber engine icon.
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