Prestone Fuel System Cleaner

Joined
Oct 3, 2008
Messages
4,639
Location
Kuwait
Is this stuff any good? I'm trying out the one for SUVs at the moment, which treats up to 35 gallons. Locally, the only American ones I've been able to find is Prestone, CRC, STP, Gunk, Castle and something else I cannot remember at the moment. No Chevron Techron or anything like that. The CRC looks very impressive, but it's more aimed towards passing emission testing from what I gather. I cannot really comment on the rest. STP is actually sourced from the UK and other than that, there's nothing much I can say. The only thing I know is most of these treat up to 16 gallons, and I have a 25 gallon gas tank...so I'll be needing 2 bottles for anything else other than Prestone.
 

Falcon_LS

Thread starter
Joined
Oct 3, 2008
Messages
4,639
Location
Kuwait
Forgot to mention, Mitsubishi sell their own fuel system cleaner here in a small aluminium bottle. But it costs $14 each and I need 2 of those.
 
Joined
Jan 24, 2008
Messages
3,358
Location
Maryland
I would probably choose these first: 1) Amsoil PI 2) Redline Fuel System Cleaner 3) Techron
 
Joined
Jun 17, 2005
Messages
4,942
Location
Billings, MT
The CRC Guaranteed To pass contains PEA, and will do a good job of cleaning. That cleaning is what helps the vehicle to pass an emissions test.
 
Joined
Jan 29, 2009
Messages
2,804
Location
NJ
I personally use the Shell concentrate Fuel Injector and Fuel system cleaner. Some top notch stuff and it doesn't break the wallet like some of the other brands. The only other I would use is the Techron Cleaner by Chevron.
 
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