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Eric
Eric, Automotive Repair Shop Manager
Category: Buick
Satisfied Customers: 29943
Experience:  20+ yrs. experience as repair shop manager and technician.
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Gh idle on 03 lesabre,tried everything except coolant sensor

Customer Question

Customer: high idle on 03 lesabre,tried everything except coolant sensor
JA: Thanks. Can you give me any more details about your issue?
Customer: idles up to 3000,while driving. seems like cruise control? put o ring seals on fuel inj. chaned egr,iac,mass flow,throttle pos. checed all over for vacuum leaks,o2 sensor.
JA: OK got it. Last thing — JustAnswer charges a fee (generally around $18) to post your type of question to Buick Experts (you only pay if satisfied). There are a couple customers ahead of you. Are you willing to wait a bit?
Customer: yes,I will gladly pay if issue is solved,ive seen alot of the same problems on the internet,but no cure's
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Submitted: 11 months ago.
Category: Buick
Expert:  Eric replied 11 months ago.

HI,

I am sorry that you have not been helped yet. I just came online and saw your question

I am not quite clear and need to make sure - while driving at any speed, the engine will race up to 3000 rpms, or when sitting at idle, the engine will race at 3000 rpms