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Ask Mike Kelly Your Own Question
Mike Kelly
Mike Kelly, Ford Mechanic
Category: Ford
Satisfied Customers: 5471
Experience:  17 years experience as an auto mechanic, foreign and domestic. 5 years running my own repair business.
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can you give me advice on what the problem is with my van as

Customer Question

can you give me advice on what the problem is with my van as it missfires and smokes
Submitted: 4 years ago.
Category: Ford
Expert:  Mike Kelly replied 4 years ago.
Hi,my name is mike and I will assist you with your question.
When the vehicle has these symptoms this is a indication that a cylinder is leaking down. The most common reason for this is a valve guide issue not letting the valves close properly. What I would suggest as a first step is to have a cylinder leak down test performed and this will determine which cylinder is causing the issue.