what gas should i use in my 99 dodge stratus a lot of people tell me i should use supremw gas?

Answer 1

Waste of cash might clean it out a little but not worth the cash just buy some octane booster like 3 bucks

Answer 2

Premium gas has 2 main features. Firstly, it has more detergents (chemicals that clean your fuel lines & injectors.) Second, it is less volatile. This means that it takes more pressure (compression) to make it explode than regular gas. If your car has high enough compression (usually turbo or supercharged), you might need premium fuel. If it is a low-compression engine, regular will work just fine, although you will usually pick up a 2-3 hp increase from premium fuel (2-3 hp is not a big enough difference to be real noticable), since your ignition timing will automatically advance itself to take advantage of the higher octane rating (the timing is retarded a few degrees when using regular.) Also, be aware that some cars will actually run worse on premium. I have a '01 Ford Focus ZX3, and the ignition system can't advance the spark enough to use premium fuel, causing the engine to hesitate every time I hit the gas - which is pretty irritating when it's a standard transmission.)

And always check your owners manual. It will tell you the lowest fuel grade you can safely put in your car, but not the highest grade. If it can't handle premium fuel, it will specifically tell you not to use premium fuel.The real question is whether the possibility of maybe 2 or 3 hp is worth the higher price, or if a cleaner fuel system is worth the higher price, or if the price is the issue at all. After all, it's usually only 20 cents more per gallon...near enough to an additional $2.50 per tank...I doubt that will break the budget.

Answer 3

In a Stratus only use 87 octane gasoline. That is what your injectors are specifically designed for. Higher octain gas will cause you to have injector problems down the road. I have a 98 stratus with the 2.0 Liter with a 5 Speed Tranny. It's in the shop now for a Clutch (1st time) at 211,000 miles. Only gas every used is 87 Octane since was Purchased in Nov of 1997. No problems with fuel ever on this ride. People tend to think higher octane is better but it's not so. Only about 3 percent of cars sold require the high ocatane gas. Buy 87 Octane and save your money.

Answer 4

It requires regular unleaded 87 octane. Buying anything over the recommended octane level is a waste of good money and does absolutely no good for your vehicle. Gas companies try to make you think the premium has better additives and will make your car run better, but that isn't true. Under provisions of the Clean Air Act, ALL gasolines sold in the U.S. is required to contain deposit control additives.

In fact, sometimes the opposite is true. There was a TSB for some Dodge vehicles for driveability problem resulting from using too high of an octane rating (TSB #14-08-97).

Answer 5

If manual calls for regular gas stick with it, you do not need the extra octane. While premium fuel does contain more cleaners than regular that is only benefit you will see from premium, more economical and effective to pick up a high quality fuel injection cleaner such as lucas, chevron, or justice brothers every few tank fulls to keep system clean

Answer 6

Mopar often claimed that premium fuel was needed in a lot of thier cars.... which actually was not true. Your car will run fine on regular unleaded, sometimes called base grade fuel. If you are in a hilly area, especially in the summertime, you may notice some "knocking", often called spark knock or predetination. In mild cases this is not bad, but heavy spark knock will suggest a need for the premium fuel. In the event that premium does not help, then take the car to a good shop or dealership and have them check it out for other problems.
good luck

Answer 7

precise cost gas has 2 important good factors. at the starting up, it has more desirable detergents (chemical compounds that sparkling your gas strains & injectors.) 2d, it really is a lot less risky. this signifies that it takes more desirable pressure (compression) to make it explode than known gas. in case your automobile has severe adequate compression (many times swifter or supercharged), you may want to need precise cost gas. no matter if it really is a low-compression engine, known will artwork only high-quality, inspite of in case you'll many times %. up a 2-3 hp enhance from precise cost gas (2-3 hp isn't a large adequate distinction to be actual noticable), because your ignition timing will immediately strengthen itself to take great thing with reference to the better octane score (the timing is retarded some ranges even as making use of known.) also, note that some vehicles will easily run worse on precise cost. I easily have a '01 Ford concentration ZX3, and the ignition gadget won't be able to strengthen the spark adequate to apply precise cost gas, causing the engine to hesitate each and every time I hit the gas - that's particularly stressful even as it really is a commonly used transmission.) And continuously examine your proprietors guide. it is going to allow you to recognize the bottom gas grade you may competently put on your automobile, yet no longer the utmost grade. If it may't cope with precise cost gas, it is going to specially allow you to recognize now to not use precise cost gas.the real question isn't any matter if the opportunity of possibly 2 or 3 hp is nicely well worth the better fee, or if a cleanser gas gadget is nicely well worth the better fee, or if the fee is the issue in any respect. after all, that's continuously in elementary words 20 cents more desirable in step with gallon...close to adequate to at least an additional desirable $2.50 in step with tank...I doubt which will damage the budget.

Answer 8

Well the only answer on here that is correct is from mark b. Chrysler did have a bulletin about high DI (driveability index). vehicles running poorly and many driveability concerns about people running high octane fuels on vehicles with low compression. The truth of the matter is this. High octane fuel burns slower than low octane fuel to prevent preignition/detonation on high compression engines. on high compression engines when the piston compresses the air/fuel charge in the cylinder it raises the temperature extremely high. the fuel has to be a slow burning fuel to prevent the fuel from igniting from the temperature alone. that is the purpose of high octane. if this air fuel charge detonates before the spark occurs, the cylinder is violently forced backwards,(slowing the compression stroke down and burning the air/fuel charge), hence robbing the engine from the potential power that it could be making. that is the pinging noise that is heard coming from high compression engines that run too low of octane fuel. low octane fuel burns faster and at lower temperatures.lower compression engines do not create as much heat in the cylinder on a compression stroke as high compression engines. so low compression engines need low octane fuel that burn more easily when the spark is introduced. when you run high octane fuel in a low compression engine, the fuel does not all get burned. your oxygen sensor then sees the unburned air/fuel mixture,(more fuel in exhaust and more unburned oxygen) and commands more fuel to be added, (as the oxygen sensor only looks for oxygen content in the exhaust not fuel), so the computer adds more fuel. well it is just compounding the problem. (remember this is only true on a speed density system, since mass air systems measure the oxygen going in then uses that to rationalize the air to fuel mixture, but thats an entirely different subject). So, now if you have a low compression engine that pings with 87 octane gas, then what you have is an issue of carbon build up on the cylinders. As carbon builds up on the pistons, it begins to raise the compression of your engine, which in turn makes it necessary to use higher octane fuel. instead of paying for the premium fuels or even mid grade, just go to your local dodge dealership and purchase their white bottle of(not the black bottle) injector cleaner and add it to your fuel system. on a really bad engine you may need two to three applications of this. pay attention to the directions for use-very important. Do not use aftermarket fuel system additives, some of the detergents are not safe for your oxygen sensors. when it is burned it coats your sensors and they cannot read properly anymore. DO NOT ADD OCTANE BOOSTER TO YOUR FUEL SYSTEM!!! That is for older engines with carbs, not good on fuel injected systems, can harm your sensors also. As stated before, premium fuel does not contain anymore cleaning additives, actually may contain even less. Amoco commercials are very deceiving stating that their premium will give you more power. PREMIUM FUEL WILL NOT INCREASE THE POWER OF A LOW COMPRESSION ENGINE. PREMIUM FUEL WILL NOT INCREASE THE POWER OF A HIGH COMPRESSION ENGINE. With saying that I will also say this LOW OCTANE GAS WILL ROB THE POWER FROM A HIGH COMPRESSION ENGINE BY CAUSING PREIGNITION/DETONATION. the owner manual will state whether your engine is a high compression engine or not, and will tell you what fuel is recommended for your vehicle. do not question this. the people who made these manuals are engineers, and they know a lot more than you and i about this subject. Hopefully this helped a little bit

Answer 9

i own a repair shop and we also own a 98 model one of these i always use regular in it, we tried premium,and mid grade,and neither one of those made it run any better nor did it do any better on gas either,so i just use a good regular in it,it will run fine on it,we haven't had any problems from using it in ours,good luck with it,i hope this help,s.

Answer 10

read the handbook...........not likely you need super most cars can run fine on regular and a few need mid-grade.