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Toyota Service
Toyota Service, Dealership Svc. Mgr.
Category: Car
Satisfied Customers: 2472
Experience:  Over 30 years experience in the automotive field
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Aston Martin DB 7: I have a 2000 aston martin DB7 with the

Resolved Question:

I have a 2000 aston martin DB7 with the 12 cylinder engine.It has 15K miles on it.It was having an occasional misfire.My mechanic suggests the the spark plugs and the coils be replaced I think it is because it is not driven enough.What is your opinion?
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Submitted: 1 year ago.
Category: Car
Expert:  Toyota Service replied 1 year ago.

Toyota Service :

Hello. Welcome to Just Answer. Please allow me to assist you by discussing your request in detail; thanks

Toyota Service :

How much is the DB driven per month please?

Toyota Service :

I see that you are currently offline. If you still need assistance on this request, please respond via the chat box located at the bottom of your screen; thanks

Customer:

I drive the DB 7 about a 1k miles a year

Toyota Service :

In my opinion, there is some truth to both lines of thought.

Toyota Service :

First, not driving it enough can create some issues, as the fuel is aging in the tank. Unless you are draining the tank whilst it is not being used for long periods of time, 'old' fuel has a tendancy to not combust properly, which will create carbon deposits on the valve faces, and cause them to not seal properly, thusly allowing the possibility of a misfire.

Toyota Service :

Second, I would guess that the plugs are original, with only 15K miles on it. Infrequent usage does create a carbon buildup on the plugs. If the plugs are original, I would recommend replacing them. I would not recommend replacing the coils, though, unless the mechanic can show you that one or more is weaker than the others, spark-wise (ie an orange spark versus a white-blue spark).

Toyota Service, Dealership Svc. Mgr.
Category: Car
Satisfied Customers: 2472
Experience: Over 30 years experience in the automotive field
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