1991 Oldsmobile Ninety Eight Regency "using wrong oil weight car" Questions

...wrong way. but i have'nt done the research on how many miles and the problems that occur from using a quick oil change place. i know my history with my vehicle.i recommend 30 weight castrol in winter ...

...synthetic oil was used now I can hear my valves tapping, could they have used the wrong oil weight? who ever changed your oil may have used the wrong weight, this may be causing the tapping ...

...be 5w 30, put in 10w 30. stalls at stop near hill. I would start with an oil change using proper weight, filter and oil drain plug crush washer. wrong weight of oil can definately cause the

...weight oil and in summer I switch to 10 w 30 multi weight oil. If you still have the users manual there will be a recommended oil but I don't think you can go wrong with the above listed

...wrong oil is put in would it give bad gas mileage what oil did you use? generally 5w30 is standard, but you can use other oil weights depending on environment, i.e. 10w30. the numbers correspond to ...

AND HAD IT SERVICED Most likely, you have had the wrong weight oil installed during your oil changes. The 09s are VERY specific to the exact weight of oil. Use ONLY what is printed on the oil fill cap

I put the wrong oil in my 99 lexus es 300 would I put the wrong oil in my 99 lexus es 300 would that cause cylinders to mis fire/ No, it would not cause a miss-fire. What oil did you use, wrong weight

...be used? Brand makes no difference Weight, should only be what your vehicle calls for---that should be on the oil filler cap Nothing wrong with synthetic oils---wouldn't spend the money now,with ...

...using is completely fine with that type of engine. Changing grades of oil will not help you here. You need to check the PCV valve, and the MAF sensor. Really you need to get this vehicle onto a ...

...sound Low on oil? Wrong weight of oil? Tired engine? Bad oil pump,plugged passages that feed the lifters. Dirty oil. Have the oil changed . 70,000 miles or more? Use "high mileage" oil. 10-30 is