lowsixfo64 Posted May 29, 2006 Report Share Posted May 29, 2006 is it a fact that cadillacs can run on any level of gas, or should we give them the best? I think 87 octane was the cause of engine stalling on my 00 deville.... or is it in my head Link to comment Share on other sites More sharing options...
Ranger Posted May 29, 2006 Report Share Posted May 29, 2006 Can you define "best" please. Link to comment Share on other sites More sharing options...
Dan Posted May 30, 2006 Report Share Posted May 30, 2006 No, I don't think the gas is causing your stalling problem. You have to check your codes. There is more info on the homepage under the how-to section Link to comment Share on other sites More sharing options...
JasonA Posted May 30, 2006 Report Share Posted May 30, 2006 Your 2000 Deville is optimized to run on 87, so it should not be a problem. Even on 1993-1999 Northstar engines, some people run 87 with satisfactory results. But in 2000, the fuel octane was really taken out of the equation with some differences in combustion chamber and cylinder head design (and a lower compression ratio). Jason(2001 STS, White Diamond) "When you turn your car on...does it return the favor?" Link to comment Share on other sites More sharing options...
lowsixfo64 Posted May 30, 2006 Author Report Share Posted May 30, 2006 gotcha... thanks for the in solving my curiosity Link to comment Share on other sites More sharing options...
OynxSTS Posted May 30, 2006 Report Share Posted May 30, 2006 Intermittent stalling + Any 2000 to 2003 Northstar - Any significant trouble codes = Bad Crank Sensors... Replace them BOTH and all will be well... Almost as common a problem as leaky trunks! Easin' down the highway in a new Cadillac, I had a fine fox in front, I had three more in the back ZZTOP, I'm Bad I'm Nationwide Greg Link to comment Share on other sites More sharing options...
mikeal1892 Posted May 31, 2006 Report Share Posted May 31, 2006 My dealer says to avoid speedways and marthon stations they have had cars towed in and had to drain the gas out of them. It was a popular thing going on for a while. I like to buy premium from Shell or Bp myself - Michael- Link to comment Share on other sites More sharing options...
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