Any Fuel System Cleaner Recommended ??

Sensei Kreese

It's been "cold" in SoCal, so under 70 degrees.

Threadlocker

Of course Techron and its clones work - Top Tier gasoline uses it in diluted forms, if it didn't, they'd use something else. Techron is very conservative in its use of PEA, and is thus recommended by manufacturers like Mercedes, BMW, and Audi/VW/Porsche. If you're going to use any FI cleaner, use one that is PEA based. I like to run some Gumout Regane every 6 months. Another good cleaner is RedLine Sl-1.

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Nixin

Just use a higher octane fuel. It's better to pay a bit more at the pump than to pay much more to a mechanic.

FairladyZ40th

Just stick to top tier gas like chevron and shell, I'd also just stick to chevron techron concentrate or that Lucas bottle. Though it's true, the car won't really need it you'll notice the gains only briefly while the bottle is in play. That's only because the additives are making your octanes a little higher and makes your car run at a higher temperature to help break down any build up. However, once you get to about a quarter tank or your next fuel up you may notice a slight drop in performance.

I'd strongly advice against any other additive and be careful. My experience with this has led me to have to replace my fuel pump because it's clogged or something. It happened after I used Zmax oil and fuel system cleaners at the same time. The car was running very well for a little then suddenly I started having issues with start ups. The car sounds like it's drowning or something and I have to sit there for like 30 mins just trying to get gas to the lines. Luckily I got my new pump in just yesterday Walbro 400lph haha.

By the way anyone know of a good DIY link for a fuel pump?


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MB370Z

This

FairladyZ40th

Lmfao!!! Oh humanity XD hahahahhaa that's great I love it.


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kenchan

FairladyZ40th

Alternatively I'd strongly suggest heading over to your local lube shop and asking for a fuel system flush . They plug the cleaning agent straight to the injectors and ti. The car for 15-20 mins for it to clean and voila. That's probably your safest and best bet. Other wise the additives to the fuel tank can mess or clog your fuel filter and you'll have issues with that as I am at the moment for using the Z MAX cleaners.


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Ghostvette

IIRC, the Z doesn't have an inline fuel filter, the only one is the strainer on the fuel pump. FWIW, I run the small bottle of Lucas with every tank and a bottle of SeaFoam at every oil change. I started doing this with my Malibu, (it also had no inline fuel filter) and up until I sold the Malibu, I'd get a consistent 30+ mpg on the highway out of the V6, even at 150k miles. Just my

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P's_Z

Bumping this. Has anyone had any issues with the use of techron fuel system cleaner? At 30k miles, im wanting to use something to clean the fuel system, just in case, but am a bit worried about any long term issues, if any. Ive used fuel system cleaners in other cars without any problems, but i do ask because of what ive read regarding nissan not recommending using additives and/or cleaners of this type. Thanks guys

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felix0121

If you want to feel more comfortable, then keep using top-tier gas stations.

They already contain enough engine cleaning additives in their gas. For example, that Techron is basically included in Chevron gas.

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P's_Z

Thanks felix. No chevron in PR, and the only supposedly top tier gas station that i know, i dont trust. I felt the car sort of hesitate or a lag response when using this gas, maybe a placebo/butt dyno effect. I know others with Z's in PR constantly use this gas and get mixed responses(some like it, other complain about the same lag feeling)

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Boss_302

You should look into Shell V- power. The additives have good cleaning properties to reduce carbon build up and maintain the injectors. But still the only way to maintain the injectors with high mileage is to pull them out and have them flow tested and cleaned properly.

DeliriousClam

I pour techron in once in a while for the hell of it

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mults

I can't agree more on the Sea Foam that others have mentioned. I've been using it in ALL of my vehicles since about 2000. First time I heard about it was in a Gold Wing forum. Bought a used Wing that was running a little rough with a flat spot right off idle. I used a can of Sea Form in all of my fill ups and within 500 miles, the bike was running like a Japanese watch

I now put a can in the gas tank at every oil change and swear by this stuff. It is even used when I store the Z for 6 months during the winter. Car has started first crank every Spring.

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