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The P0420 and P0430 codes, both indicating catalytic converter failures, are most commonly cause by this exhaust leak on the IS250, GS350 and GS300. The vehicle has four oxygen sensors, two for each bank that serve different purposes.
The Lexus GS II 300 weighs 1730 Kg / 3814 lbs.
Understanding Error Code P0430

This error code is sent when your downstream oxygen sensor on bank two notices an irregularity in your catalytic converter`s performance. A P0430 error code means that the system is operating below the efficiency threshold.

With the right maintenance at the right time, your GS300 has a good chance of hitting 200,000 miles or more. Not an expert in what services your car needs and when? No problem. There`s no need to guess when it`s time to get GS300 maintenance, and no need to wait until something goes wrong.
The Lexus GS300 comes with an NA Toyota 2JZ-GE engine from the factory, but big power comes from an upgrade to the venerable 2JZ-GTE like this.
Fuel & MPG

336.6/455.4 mi. 19.8 gal.

Fuel tank capacity is 71 litres or 18.76 gallons, which means you`ll be able to drive up to 720 kilometers without refueling in urban cycle and even up to 1000 kilometers on highway.
Buying a Lexus GS

The Lexus GS350 is a great choice if you want a reliable and comfortable luxury sedan that comes with great standard features, the option to choose all-wheel drive, and solid, low-maintenance engines.

The Sensor 2 in question means that it is the sensor that is located behind your catalytic converter and the Bank 2 side of the engine is the side that does not contain the #1 cylinder.
How serious is the P0430 engine code? The P0430 engine code won`t pose an immediate danger to the driver, but it does cause poor acceleration and a lack of power from the engine. If left unrepaired, other components of your car could be severely damaged, necessitating costly repair bills.
You can still drive your vehicle with a P0430 code. A P0430 code means that the catalyst isn`t working as well as it used to. If the check engine light isn`t blinking and no other codes show misfires, you should be able to drive your car. Only driving for an extended period is recommended after addressing the issue.
With proper maintenance, a Lexus car last around 250,000-300,000 miles. So, it indicates that the car can easily last for around 17-20 years.
The Lexus GS 300`s top speed is 143 miles per hour (mph). While it can accelerate from 0-60 mph in 7.4 seconds, there are plenty of faster cars on the market. That said, the 300 may still be worth considering.
The 2JZ engine was an engine manufactured by Toyota. It is part of the Toyota JZ engine family, the successor to the Toyota M engine family, along with the 1JZ engine, a 2.5 liter version of the engine. There are 3 versions of the engine that came from the factory. These are the 2JZ-GE, 2JZ-GTE, and the 2JZ-FSE.
When we compare the Lexus ES 350 to the Lexus GS 350, the Lexus ES 350 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency and overall quality score. The Lexus GS 350 has the advantage in the areas of interior volume and base engine power.
Most Lexus models require you use at least 91 octane (premium) gasoline, while there are a few that can use 87 octane regular unleaded.
Premium gas must be used in the following Lexus models: GS 350. GS F. GX 460.
The GS 300 features 17-inch silver aluminum wheels, a rear-wheel-drive with an all-wheel option, and of course, a 3.0L V6 engine powering it up to a top speed of around 149 mph.
Two models are available: the six-cylinder GS 300 ($38,605) and the V8-powered GS 430 ($47,405). The GS 300 engine is a high-output, 220-horsepower 3.0-liter inline-6. The wickedly fun GS 430 comes with a 4.3-liter double overhead-cam V8 that produces 300 horsepower.
The Lexus GS I 300 weighs 1675 Kg / 3693 lbs.
Even though the car weighs in at just over 4,000 pounds, the GS F can achieve a 0 to 60 speed of 4.4 seconds because of its engine. Unlike other GS models, the GS F only has one engine option available. Don`t be discouraged, though—its specs are nothing to scoff at.
The 2022 Lexus IS 300 is the brand`s small luxury sedan. It`s the most affordable model in the IS lineup, which also includes the IS 350 and the V8-powered IS 500.
The news originally came from Yahoo Japan and was confirmed to Car and Driver by a Lexus spokesperson. Lexus cites slow sales and the declining sedan segment as the reason for its cancellation.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Do I need gas and oil mix – Poulan Super 250a Chainsaw Plate
ANSWER : I think Poulan uses a 40:1 ratio to one gallon of gas, however I have always used 50:1 the same as my sthl saws with no issue. I would rather have more oil mix that to little.

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Do you mix gas and oil in this trimmer – Ryobi 30 Cubic Centimeter Curved Shaft Gas Trimmer
ANSWER : Yes. Verifythe ratio, either 40:1 or 50:1

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I need the gas mix oil ratio for the Poluan Pro 42…
ANSWER : 40:1 gas to oil ratio.

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Gas to oil mixture for a RY 26540 – Ryobi 30 Cubic Centimeter Curved Shaft Gas Trimmer
ANSWER : 50:1 don’t use outboard motor mix

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Is it straight gas or mixed? – Poulan Pro 14" Gas Chainsaw 33CC P3314
ANSWER : It uses a gas/oil mix. 40:1Hope this helps.

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What is ment by 50 to 1 mix
ANSWER : 50 to one is a ratio of fuel to lubricating oil. Typically 50 parts petrol/gasoline to one part two stroke oil.

Oil typically comes in a special plastic bottle that incoporates a measure. Simply squeeze the right ammount of oil into the little chamber and add to 5 litres of gas.

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Need gas mix solution – Craftsman 25cc 2-Cycle Gas Blower/Vac
ANSWER : Check age of gas. Cannot be more than 30 days old.

Make sure to use fresh gas w/synthetic 2-cycle oil @ 40:1 ratio
(1 gal.) Gas to 3.2 oz. Oil).Do not use old or stale oil/gas mixture. Always
use the proper oil/gas mix. If you do not, your engine will suffer rapid,
permanent damage.

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What is the oil/gas mix ratio? – Husqvarna , No.455 Rancher, 20" Gas – Powered Chainsaw
ANSWER : 50:1 ratio 2.6 fl oz of 2 stroke oil to 1 gal of fuel

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