Questions & Answers for: Cadillac STS what fuel octane

Question about Cadillac STS

There are 5 wires in

octane and changing the thermostat to a lower rating. The first engine knock that the knock sensor picks up will turn the timing down and shorten the fuel injection pules, That's why i played with the

Question about 2006 STS

2 Answers

Which level of octane fuel is best suited for a

which level of octane fuel is best suited for a 2006 cadillac sts 89 or 91? check with owners manual in glove compartment or call the cadillac dealership. ARE YOU KIDDING ME...IT WILL RUN ON BOTH...

Question about 2005 STS

1 Answer

WHAT OCTANE GAS SHOULD I

...fuel octane that you have to use to reduce carbon deposits. If you value your car and will keep for a long time then use the higher octane. Otherwise, use the low-octane since price of fuel is ...

Question about 2002 Sts

2 Answers

I was driving my 2002 Cadillac STS when it started

...octane fuel This, to me, sounds like worn crankshaft bearings, only it's not bad enough yet to cause you to hear them in a non-stressed/non-load situation (as in when in park or neutral) the solution ...