1990 Cadillac DeVille Q&A
1990 Cadillac DeVille Question: My caddy is running rough
Have you had a tune up lately, new spark plugs ( AC Delco R44LTS6 .060 gap ) and a air filter can make a huge difference - hemicuda
i have a 1990 that all the same problems u are having and its sounds like alot of other people . So like u said it starting running ruff feeling like it was going to die then it did staring dying stalling out at random so i staring the replace alot of things first the fuel filter then the cadi converter then i starting getting into the distirbutor anyhow it lasted months then fnally said f it and changed the whole distirbutor and it ran great for a week and then stalled on and the computer was telling me the whole time it was the distirbutor so i changed the computer and its ran great but my water pump just went out like a week ago but i've already replaced it and that was a pain in the butt - Visitor
Use Lucas Injector Cleaner or Sea Foam Injector Cleaner use eather one about 4 oz throu large vacume line from brake booster to yo motor with the motor runing the vacume will suck it throu the intake . Make Sure The Tail Pipe An The Hole Car Is Not Around People A Large Amount Of Black Smoke Will Come Out Of Yo Tail Pipe . an put about 12 to 16 0z in a tank of gas every 3 months. - Visitor
vacum leek or tuneup - Visitor
it is probably the plenum boot, this is a very common problem. - edsmith13
and apply the brakes. I experience rough idle until i start driving again.
MY CAR HAS A RUFF IDLE AND THE TRANS FLUID IS CHALKY PLUS IT WANT MOVE AN INCH
I have an 90 cadillac, when i drive it it feels like its gunna die and i put a new fule filter, fuel pump new spark pulg and wires took off cat converter i took it to get fix 4 times and they still...