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Ron
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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I have 07 Focus. It runs rough at idle. code said MAF

Customer Question

I have 07 Focus. It runs rough at idle. code said MAF sensor. Replaced didnt help. Could it be vacuum?
JA: Does the engine stall right after starting? And what about hesitation or jerking during acceleration?
Customer: It seems to surge a little on acceleration. doesn't stall.
JA: Are you fixing your Focus yourself? What have you tried so far?
Customer: I'm not.. It is my daughters car. her boyfriend scanned it and replaced sensor. I dont want her throwing money at something for no reason.
JA: Anything else you want the mechanic to know before I connect you?
Customer: there was a problem with a ground under the battery when we got it and it wouldnt start. Fixed that and it started but think it has been an issue since because it didnt do that when we bought it.
Submitted: 14 days ago.
Category: Ford
Expert:  A. Penland replied 14 days ago.

Do you have the actual code number? Example P0401

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