2001 Cadillac DeVille "running rich" Questions

...deville running rich. Why? service engine soon light is on and scan engine running rich emission issues. check all vacume lines for cracks. 01..its time for new ones. check all electrical conections ...

...and rough when cold. Improves when it warms up. Mileage around town is terrible. Not using oil but front plugs shows signs of running too rich. have the intake air temp sensor checked by a ...

starts runs rich may stall several codes when vehicle came in i was able to communicate with mod.is now i cant.it will start up run rich for a few minutes and shut off. checked power at com.puter and ...

...is fine infact usualy it is a good sign that your engine is not running rich or lean so it is pointing towards oil seals... also if it was running rich it would probably do it more when it was ...

MY CADALLIC IS HARD TO START RUNS RICH HAS A PO175 CODE IN BANK 2 CANNOT FIGURE IT OUT CODE PO175 FUEL TRIM SYSTEM RICH BANK 2 CONDITIONS THESE ARE YOUR POSSIBLE CAUSES. YOUR EVAP CANISTER FUEL ...

...rich, because when it's running the exhaust has that "rich" smell to it. Any suggestions for my problem? coolant sensor? Leaky fuel injector? IAT sensor. Since it's temp. related, try the coolant ...

Oxygen sensor i am having problem with I put a new oxygen sensor in but the problem is still there check service light is on i think the engine is burning to rich or i need a tuneup what do you think ...

4.5 liter engine runs ruff intemitent seems rich. smokes at firewall. Runs fine when cold. Runs ruff after 4 or so miles. Hi I own a cadillac with the same motor. Never smoked but had all the same ...

my car keeps overheating and i dont know why it does not show any problems with the thermostat and i reaches temps of 240 and 255 and runs hot when the radiator cools of remove the cap on top of the ...

...running rich with check engine light as well as flashing check emissions system is this probably the O2 sensor? There is a chance that is what it is but you still need to get it scanned for codes. ...