LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

STP Fuel Additives

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Old 07-27-15, 10:41 AM
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waqas300
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Default STP Fuel Additives

Is it safe to use fuel additivies like STP in an LS for optimal performance? Fuel injector cleaners or complete system cleaner?
Old 07-28-15, 01:18 AM
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RA40
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What is your gas tank range km/MPG currently? How does the car respond when you get on the gas pedal? For dirty fuels some cleaners may be beneficial. You can get an idea how clean running the engine is by pulling several plugs and examining them for deposits. If the plugs are clean, an injector cleaner is unlikely to have much benefit.
Old 07-28-15, 02:21 PM
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waqas300
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Originally Posted by RA40
What is your gas tank range km/MPG currently? How does the car respond when you get on the gas pedal? For dirty fuels some cleaners may be beneficial. You can get an idea how clean running the engine is by pulling several plugs and examining them for deposits. If the plugs are clean, an injector cleaner is unlikely to have much benefit.

The tank avg is 16.8 MPG. Total miles done 3250542. No problems seems faced while on the gas pedal. Got the spark plugs changed 8 months ago.
Old 07-28-15, 08:53 PM
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python
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congrats on reaching the 3 million mile mark lol
Old 07-28-15, 10:41 PM
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waqas300
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Originally Posted by python
congrats on reaching the 3 million mile mark lol
Thanks )))
Old 07-29-15, 08:36 AM
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sha4000
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Originally Posted by python
congrats on reaching the 3 million mile mark lol
Lol I just noticed the numbers. Has to be a typo.
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