Unleaded petrol--91 octane rating
SOURCE: super-unleaded or premium gas for 2006 lexus ls 430
Well, of course premium is HIGHLY recommended, but it is not necessary.
You can use regular grade in your engine and it will not harm it at all. Modern engine management systems have knock sensors that detect lower grade fuel and make the necessary adjustments to your timing and fuel delivery systems.
All you will notice is slightly slower acceleration and a slight drop in engine horsepower.
Hope this helps...
SOURCE: can I use regular unleaded gas for the MDX?
yes, but it will lower the fuel mileage and cause a loss of overall performance, the trade off for the price is hardly worth it.
SOURCE: why does my 87 run better on regular gas than
the car was built to run on 87 octane, unless you have done engine work( raised compression ) or reprogrammed the pcm run regular, you will probably get better fuel economy also
Testimonial: "it seems to even run better on 87 ethanol should i keep using the ethanol gas"
SOURCE: I have a 1996 Caddy
Not if that has the Diesel engine in it that was popular at that time. If it is a gasoline engine you really have no choice but the minimum octane recommended in an 87 Octane which is typically the lowest grade of fuel. However, as a minimum I would use 89 Octane. There is no real need to use the high octane, or most expensive typically 91 to 93 octane, but the car will get better mileage and performance from the 89 Octane fuel. Typically if you get 28 miles to the gallon, highway. on 87 Octane you will get 30 to 32 miles to the gallon on 89 octane which justifies the extra cost. There is no significant increase in mileage using high octane. If that is a diesel engine the cost of converting it to regular fuel is not cost effective and you would be better served purchasing a new vehicle since you would have to replace the motor and the on board computer to do it. If you were considering switching to propane with a diesel engine that is actually easier to do but again not a cheap option in the short run and depending on the actual mileage on the motor you may not experience a long term pay off depending on what has to be done.
SOURCE: 93 RANGER W 4.0 ONLY RUNS ON SUPER UNLEADED FUEL. LOWER GRADE FUEL CAUSES VALVES TO RATTLE
maby you mean pinging ,,.check your egr.
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