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

spark plugs & fuel injector cleaner

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Old 06-05-08, 04:27 PM
  #16  
Thermactor
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Techron and Gumout Regane are excellent cleaners. You can often find the Regane bottle on sale. It has a good concentration of PEA (Polyetheramine) cleaner and is proven to be very highly effective. Other cleaners are often just filler junk containing relatively ineffective cleaning compounds which I dont have the time to discuss.
Old 06-07-08, 12:21 AM
  #17  
nthach
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Lucas=garbage. I recommend Chevron Techron, Gumout Regaine, Red Line SI-1, MOC's Fuel Injector Cleaner and Toyota's additive but IMO use GOOD gas like Chevron or Shell and you won't need to add stuff so often.

For spark plugs, I like to use the OEM Denso PK20R-11s.
Old 06-07-08, 08:29 PM
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jcrome04
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Why is Lucas garbage?
Old 06-07-08, 10:28 PM
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PureDrifter
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on what basis do you say lucas is garbage? ive been using it for several years from time to time on all our cars...
Old 06-07-08, 10:56 PM
  #20  
LiCelsior
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i think its just user preference, one person uses it and doesnt work for them so they say its garbage. tries another and it works so they swear by it.
Old 06-07-08, 11:35 PM
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What I like about the Lucas is that I can add a lot to the fuel. Most other products needs to be diluted a whole lot otherwise it can swell up the injector rings. My injectors use to be ticking a bit, but the lucas lubricated and now the ticking is gone.
Old 06-08-08, 02:37 AM
  #22  
nthach
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Lucas oil stabilizer causes oil to foam up. I've used the Lucas fuel additive and my car smoked until I ran the tank dry and filled up again. I wouldn't recommend it unless you have a old beater and need a band-aid fix.
Old 06-08-08, 09:17 AM
  #23  
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Originally Posted by nthach
Lucas oil stabilizer causes oil to foam up. I've used the Lucas fuel additive and my car smoked until I ran the tank dry and filled up again. I wouldn't recommend it unless you have a old beater and need a band-aid fix.
Thats the oil stabilizer. That product is completely different from the fuel injector cleaner I wouldn't run the stabilizer myself, but the fuel injector cleaner actually works.
Old 06-08-08, 09:28 AM
  #24  
LiCelsior
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lol ^, i was just about to say, what does oil stabilizer relate to fuel cleaner? might have to try lucas when my tank goes down.
Old 06-08-08, 10:06 AM
  #25  
PureDrifter
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Originally Posted by nthach
Lucas oil stabilizer causes oil to foam up. I've used the Lucas fuel additive and my car smoked until I ran the tank dry and filled up again. I wouldn't recommend it unless you have a old beater and need a band-aid fix.
the fact its smoking means its working, ever used seafoam
Old 06-08-08, 11:16 AM
  #26  
jcrome04
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I need to go buy a quart to use when my tank gets low!

I called this guy who supposedly "specializes" in cleaning fuel injectors. Told him I have a 97 Lexus LS400. He's like, "Oh I've never seen one of those things before! What kind of injectors do they use?? I couldn't tell you if I could do it unless I can see an injector.."

Hmmm.....PROBABLY not going to him lol
Old 06-08-08, 11:46 AM
  #27  
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Depends how he cleans the injectors. You can send in your injectors to certain company for them to clean and bench test Some injectors are not compatible with certain cleaners. But since I doubt any of us are willing to have down time or the money to do it, pouring in a bottle of cleaner is the next best thing to do.

Have about 3-4 gallons of gas in the tank when you're doing this. Then drive for 20-30 miles or until you're near absolute emtpy, then refill. Just dont push it to the point where you run out of gas .
Old 06-08-08, 04:14 PM
  #28  
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I agree, I use Lucas on my cars as well! It does the trick never had any problems.
Old 06-08-08, 11:33 PM
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TJW98LS
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About how fast do we want to run our cars when doing this? Does it work better if we give it hell? OR just drive it normal?
Old 06-09-08, 12:28 AM
  #30  
nthach
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Originally Posted by PureDrifter
the fact its smoking means its working, ever used seafoam
I've used GM's Top Engine Cleaner which is the same concept as Seafoam. But when your car smokes in normal driving, something's not right.


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