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Ask Chad Farhat Your Own Question
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Cadillac
Satisfied Customers: 3969
Experience:  Owner at Carolina Auto service & Sales , 20 years Experience in Foreign & Domestic vehicles
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Rough idle runs good above 1200 rpm, Constant, 2003 cts 3.2,

Customer Question

Rough idle runs good above 1200 rpm
JA: Is the rough idle intermittent or consistent?
Customer: Constant
JA: What is the model/year of your Cadillac?
Customer: 2003 cts 3.2
JA: Are you fixing your CTS yourself? What have you tried so far?
Customer: Got got it lol I'm am a tech
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 1 month ago.
Category: Cadillac
Expert:  Chad Farhat replied 1 month ago.

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Expert:  Chad Farhat replied 1 month ago.

Hey how are you

good you are a tech, means you have too to test :)

what is the mileage ?

what have you done so far, tune up, fuel pressure check, vacuum leak check , compression check ?

do you have the specs for that ?

do you have a scanner read live data , what are the fuel trims , long term and short term at idle after operating temperature ?

fuel status : open loop or closed loop

MAF sensor reading ?

does the skip stays consisted pass 1200 rpm all the way up to wot

lets start here

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

Expert:  Chad Farhat replied 1 month ago.

You are very welcome :)

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Thank You
Chad Farhat
ASE Certified Technician