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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23001
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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My 1999 Expedition, 4.6 l engine is not driven much.

Customer Question

My 1999 Expedition, 4.6 l engine is not driven much. Yesterday I was running some errands and the engine started knocking some after a few minutes, the check engine light came on. I checked under hood, removed air cleaner and cleaned it. Light is still on.
JA: Does the light stay on, or does it blink?
Customer: stays on
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: As I said, I cleaned the KT perm. filter. That is all, so far. I prefer to fix myself, to a limit.
JA: Anything else you think the mechanic should know?
Customer: Car has 115,000 miles and is driven seldom. No major work has been done on the engine. Plugs changed @ 100,000.
Submitted: 2 months ago.
Category: Ford
Expert:  camerontech replied 2 months ago.

hi there,

im cam, a licenced diagnotic tech.
have you scanned your car for the stored trouble code.

this will be the first step to lead.
since you said knockng, please make sure that your oil level is full.
If you do not have a scanner, most of the ;larger parts stores will scan your car for free.

let kme know what code you have and i will point you in the right direction


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