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2004 Cadillac DeVille Questions

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202
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Had to turn car off to get it to stop. pulled over and recranked and engine revved up by it self. Waited 5 min and restarted and it ran fine.
The seatbelt on the driver's seat in my '04 Cadillac deville won't lock
Gas & exhaust fumes ignition coil not firing
all the lights on door panel come on but no heat comes on
Car won't start
the air was blowing cold on one side and hot on the other but now its not blowing from vents but I can hear the blower motor blowing

What seems to make the problem better or worse? not applicable
How long have you had this problem? Not sure
codes detected. Informed that mass air flow is blocked. Lines checked and said to be clear but air cabin filter and engine filter were old and extremely dirty. They were both replaced. Code was reset but light came back on. Leaks now noted from engine plate between block and oil pan....would this cause check engine light to remain on
What seems to make the problem better or worse? not sure
How long have you had this problem? several weeks
It occurs after few days later that i put the coolant and transmission fluid in. Po455 large coolant system leak. Po442 small coolant system Leak.
i need to replace my front and rear bumpers on my cadillac deville 2004
AC unit has a noisey blower motor when it is working. If the power switch is turned on and AC doesnt start. Sometimes by tapping on the dash it starts working fine. Basically it works when it want to work.
Car isn't driven much
Why won't the car stay running. ?
Key stuck in ignition
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