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john -aka eauto
john -aka eauto, The Car Guy
Category: Cadillac
Satisfied Customers: 15038
Experience:  15 years as a auto tech
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2005 Cadillac CTS 3.6. cylinder 1 misfire. 97000 miles.

Customer Question

Hello, 2005 Cadillac CTS 3.6 . cylinder 1 misfire.
JA: How many miles are on the car? Is it a steady misfire? Or random?
Customer: 97000 miles. steady misfire.
JA: Are you fixing your CTS yourself? What have you tried so far?
Customer: my son doing it. change all 6 fuel injectors and #1 spark plug.
JA: Anything else you want the mechanic to know before I connect you?
Customer: we check everything what we can bur still enging light on and sheiking.
Submitted: 2 months ago.
Category: Cadillac
Expert:  john -aka eauto replied 2 months ago.

did he change the coil on #1?

Customer: replied 2 months ago.
no but try to test change the coil #1 & #3 and not find any wrong.
Customer: replied 2 months ago.
we test to change the #1 & #3 coil, but still shakeing and engine light on.
Customer: replied 2 months ago.
are you stil there?
Customer: replied 2 months ago.
hello, what's going on?
Expert:  john -aka eauto replied 2 months ago.

did the misfire move when you changed the coils ? 99% of misfires and misfire codes are because of failed coilds

Customer: replied 2 months ago.
Good morning,
misfire did not moved when we changed the coils.
Customer: replied 2 months ago.
Sorry, but I am a salesman, so I have not comfortable to talk with you on the phone.
Please guide me through this on line conversation. Thank You,
Expert:  john -aka eauto replied 2 months ago.

have you checked compression on the cylinder that is misfiring?

Customer: replied 2 months ago.
no I did not. how can I check the compression?
Expert:  john -aka eauto replied 2 months ago.

a compression gauge its available at any parts store

Customer: replied 2 months ago.
ok, i wiil gk get it and check that out.
thank you.
Expert:  john -aka eauto replied 2 months ago.

great hope you can rate my service 5 star

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