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Shawn, Auto Service Technician
Category: Ford
Satisfied Customers: 3756
Experience:  16 years experience Ford,Nissan and Honda dealership in all areas
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Why does a 4 cylinder truck have 8 spark plugs

Resolved Question:

why does a 4 cylinder truck have 8 spark plugs
Submitted: 8 years ago.
Category: Ford
Expert:  Shawn replied 8 years ago.
HiCustomer Thank you for asking your question on JustAnswer. The other Experts and I are working on your answer. By the way, it would help us to know:
-What year is your Ford?
-What model is your Ford?
-How many miles are on your Ford?
-What type of engine is in your Ford?
-What have you already tried?

Thank you again for trusting us with your problem. Please reply as soon as possible so that we can finish answering your question.
Customer: replied 8 years ago.
1993 ford ranger 70000 engine 4 cylinder
Expert:  Shawn replied 8 years ago.

Hi wanttobeme11,


Ford was trying to get more power and better fuel efficiency out of a smaller displacement engine. So to clean up emissions they used a dual spark plug producing a cleaner and more efficient burn.

Shawn and 6 other Ford Specialists are ready to help you