Just did tune up check engine light comes on 1 day then goes off next day 160 thou miles it runs good for a day shut it off next day check engine lights on it makes a loud air sucking sound then next day no sound and runs good I'm lost it has aftermarket spectra air cleaner system just can't figure it out it also starts smoking and smells when it running badWhen is the last time basic tune up was performed?
Do you have a check engine light on?
How many miles on engine?
My parents got it new I have done lot of work on it it sat for 5 years in a garage I replaced fuel pump fuel pump regulator pcv valve fuel injectors coil pack module coil packs plugs an wires new exhaust system fuel system been cleaned I notice little fuel smell in oil changed oil and filter 3 times smell is not as bad cleaned plugs several times I will do code thing nextDid you try checking what code the computer is showing. You jump two pins on the OBD 1 port and count the times the light flashes.
Google OBD 1 codes
How long have you owned this car?
The link below contains various tests you can perform