What if you can't go on highway my car won't go past 30mph?

I don't believe that it will help if your car will not go above 30. Sounds like something more serious with your vehicle.

How many miles will this take to unclog a 2005 sentra 1.8l cat, that revs only to 2700 rpm, with no error codes?

It sounds to me as if your cat is beyond repair. If you’ve already used a bottle it should fix it pretty quickly. If your car runs no better, you need a new converter. That’s what happened to me, I had to buy a new converter.

Once you add this product to the gas tank what is the rest of the process?

add the product to the gas tank when it close to empty - for me that was about 2-3 gallons remaining - then really ran the car hard (like I stole it) - - filled the tank with high test and some injector cleaner- and again ran the car hard - check engine light stayed off for a good 6-8 hundred miles - more than long enough to pass NC emissions test - the light did eventually come back on - but then realized it was the fuel my wife purchased - - as I had her fill up with a different brand and light turned off

One person posted that they used a combination of "cataclean and solder it" in the gas tank? what is solder it - can anyone post a link?

Never heard of that but you shouldn't have to mix anything with our Cataclean

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Cataclean Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 16oz (120007)

Product ID: 256639325

Details

Brand
Cataclean
Item form
Liquid
Material features
Non-Toxic
Scent
Unscented
Specific uses for product
Engine

⛽Boosts fuel economy & engine power

✅Clears check engine lights fast

🔥Cuts carbon build-up by 50%

16285 kr

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Clean fuel, clear lights, and unstoppable drives!

EFFORTLESS MAINTENANCE - Just pour into your tank—no tools, no hassle, compatible with gas, diesel & hybrids.
CHECK ENGINE LIGHT SAVIOR - Target common error codes like P0420 & P0171 to avoid costly repairs.
REVIVE ENGINE PERFORMANCE - Clean fuel injectors and cylinder heads for smoother rides and improved MPG.
CATALYTIC CONVERTER LIFESAVER - Prevent carbon clogging and extend your converter’s lifespan with regular use.
PASS EMISSIONS WITH CONFIDENCE - Slash hydrocarbon emissions by up to 50% and breeze through smog tests effortlessly.

Cataclean Fuel & Exhaust System Cleaner is an EPA-approved, patented formula designed to reduce carbon build-up, clean catalytic converters, DPF filters, oxygen sensors, and fuel injectors. Safe for gasoline, diesel, and hybrid engines, it lowers hydrocarbon emissions by up to 50%, improves fuel economy, and clears common check engine light codes. Easy to use with no mechanical skills required, Cataclean helps you pass emissions tests confidently while extending engine and exhaust system life.

Specifications

ASIN	B002BVXM92
ASIN	B002BVXM92
Best Sellers Rank	#1,988 in Automotive ( See Top 100 in Automotive ) #13 in Automotive Fuel System Cleaners
Brand Name	Cataclean
Contains Liquid Contents?	Yes
Customer Reviews	4.2 4.2 out of 5 stars (13,572)
Customer reviews	4.2 4.2 out of 5 stars (13,572)
Department	unisex-adult
Global Trade Identification Number	00852135002004
Included Components	CATACLEAN EXST SYS/
Is Discontinued By Manufacturer	No
Item Form	Liquid
Item Type Name	CATACLEAN EXST SYS/
Item Volume	500 Milliliters
Item Weight	386 g
Item model number	120007
Manufacturer	Mr. Gasket Co.
Manufacturer	Mr. Gasket Co.
Material Features	Non-Toxic
Material Type Free	gas free
Model Number	120007
Number of Items	1
Part Interchange Info	120007
Part Number	120007
Product Dimensions	6.8 x 6.8 x 23 cm; 385.55 g
Scent	Unscented
Size	1 Fl Oz (Pack of 1)
Special Features	Alcohol Based
Specific Uses For Product	Engine
Surface Recommendation	Acrylic
UPC	852135002004
Unit Count	473 Milliliters

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16285 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Iceland.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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