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  1. Problems with my 89 DeVille

    Cadillac DeVille 1985 to 2005 including:1985-1992
    Its hard to explain so please be understanding. Its a 1989 Sedan DeVile. 4.5L When you drive it. It feels like it wants to cut off. Like its in need of a tune up or starving for gas. It does cut off when I get to a stop light or sign. It starts to loose almost all power until a stand still...
  2. LPE intake on. Feels and sounds a whole lot better.

    2004-2007 Cadillac CTS-V Performance Mods
    LPE intake arrived while I was on vacation over the weekend. Nothing like coming home to mods on your doorstep. Install was OK. The infamous snorkal put up a little fight. If your hands are skinny enough you can reach into the hood latch opening and pull the rubber snorkal off the plastic push...
  3. 4.5 engine

    Cadillac DeVille 1985 to 2005 including:1985-1992
    I have heard alot about the 4.9 engine,but not to much about the 4.5 i have a 90 deville with a 4.5,are they as reliable as a 4.9? I know they are similar but are they as good as a 4.9 minus the horse power?
  4. please help 4100 problem

    HT4100 4.1, 4.5, 4.9
    ok i have an 82 caddy fleetwood 4100. it had the codes for bad o2 and the running rich code and it had no power going up hill and would even ping. changed the 02 sensor, hollowed the cat, have fuel pressure at the port before the throttle body and the timing seems to be on. this car will boogy...
  5. Old Dirty Bastard is dead.

    Community Lounge, Introductions and General Discus
    OMG. I hope everybody was stiing down while reading this. What a devastating loss. How will we ever move on? :rolleyes:
  6. U1128 - Loss of Communications with IRC

    Cadillac Seville / Cadillac Eldorado Forum
    Does anyone know what may be causing this code? If so please post to link below. 1999 Cadillac STS, with steering problems. U1128 - Loss of Communications with IRC -George