Auto >> AutoSPT >  >> Engine

What is the spark plug gap for a 1990 Ford F-150 4.9L?

The recommended spark plug gap for a 1990 Ford F-150 with the 4.9L inline-6 engine is 0.035 inches (0.89 mm). However, always double-check your owner's manual as there might be slight variations depending on the specific engine code.