Aboutautohelp Expertise On hands professional expertise in all aspects of Cadillac diagnostics and repair mid 1970`s thru 2000 year vehicles. GM certified in electronic fuel injection, Automatic transmission, Heating and A/C, and onboard vehicle computer diagnostics.
Experience Held over 15 GM certifications prior to retirement in 1989.
Organizations Prior to retirement held several ASE certifications, numerous Factory certifications.
Question I have a 94 caddy deville 4.9 engine. the symptoms are as follows. runs rough like its missing on multiply cylinders only at idle. also if the radiator is left with the cap off the coolant will start coming out of the opening. any ideas please help
Answer IS or HAS the CHECK ENGINE light ever illuminated while driving the vehicle and or has any other lights illuminated or any messages from the message display center ?.
What work or diagnostics of ANYKIND WHAT-SO-EVER have been performed on the vehicle trying to fix this problem ?.
What happens if you keep the radiator cap ON all the time ?. Does the engine over heat ?.
