how to diagnostic this code
Isn't one
In order to get codes for a 1994 Cadillac STS through climate control, a diagnostic test must be run by a mechanic. Most alternative tests or guide books will not provide this information. A Cadillac dealer is the best option to obtain this code.
Trouble code P0171 means: Fuel Trim System Lean (Bank 1) Trouble code P0174 means: Fuel Trim System Lean (Bank 2)
Nasal endoscopy is a procedure, not a diagnosis, so it doesn't have a diagnostic code.
the code is 1989 cadillac Devillle and i am not kidding
diagnostic code 8820
Diagnostic Trouble Code
Transmission needs service? Try changing the fluid and re-setting the code with and obd2 diagnostic tool. Or just take it to a descent shop.
It's not a code ,it's the start of the diagnostic programn.codes follow ,then 55 to end code reading.
The Ford diagnostic code 316 is a misfire detected at engine start up.
what does code p1537 on a ford mean