STP Complete Fuel System Cleaner - 5.25 fl oz Bottle
STP Complete Fuel System Cleaner - 5.25 fl oz Bottle
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STP Complete Fuel System Cleaner - 5.25 fl oz Bottle

STP Complete Fuel System Cleaner - 5.25 fl oz BottleSTP 78568 Complete Fuel System Cleaner 5 25 Fluid Ounces12 pack STP 78568 Complete Fuel System Cleaner 5 25 Fluid Ounces24 pack STP 78568 Complete Fuel System Cleaner 5 25 Fluid Ounces2 pack STP 78568 Complete Fuel System Cleaner 5 25 Fluid Ounces6 pack STP 78568 Complete Fuel System Cleaner 5 25 Fluid Ounces
Pack Size:Single

Key item features

  • Comprehensive Cleaning: One 5.25 fl oz bottle of STP Complete Fuel System Cleaner for a variety of gasoline engines
  • Enhanced Formula: Contains 2x the amount of cleaning agents compared to leading premium gasoline
  • Effective Detergents: PEA and PIBA detergents eliminate deposits to maintain a clean and fuel-efficient system
  • Corrosion Inhibition: Helps inhibit corrosion and restores engine performance for versatile car care
  • Regular Use: Recommended usage at every oil change or every 4,000 miles
  • Engine Compatibility: Suitable for all gasoline engines, including turbo, direct inject, and hybrid engines
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Current price is $6.64$1.27/fl oz
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Customer ratings & reviews

4.7 out of 5 stars
stars272 ratings137 reviews
How item rating is calculated
  1. 5 stars82% (222)
  2. 4 stars11% (31)
  3. 3 stars3% (9)
  4. 2 stars1% (2)
  5. 1 star3% (8)

Reviews summary

Pros

  • : Comes with easy-to-follow guides for operation.
  • : Increases miles per gallon.
  • : Enhances engine responsiveness and reduces sluggishness.
  • : Works well with vehicles over 75,000 miles.
  • : Comes with clear directions for use.

Neutral

  • : Offers great value for some, but pricey for others.
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Showing 1-3 of 137 reviews

Oct 25, 2025
honestyWise
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

This is a great fuel injector cleaner. I noticed that both my Hondas are performing better than I expected it by increasing horsepower and saving more gas. I don't go to the gas station as much and 0-60 tome is better too.

Helpful?4CW79RI83VQG16641228
Dec 30, 2025
Walmart customer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Effective and cheaper than the oil change products

This is very easy to use and much cheaper than the fuel system cleaner from the oil change locations. It has lowered the gas mileage a bit in the past couple of months.

Helpful?4CW79RI83VQG16641228
Oct 27, 2025
Bea
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

STP Fuel system cleaner

I have been using this to help keep my fuel system working and it seems to be helping.

Helpful?4CW79RI83VQG16641228