STP Super Concentrated Fuel Injector Cleaner 5.25 fl oz 2 Count
STP Super Concentrated Fuel Injector Cleaner 5.25 fl oz 2 Count
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STP Super Concentrated Fuel Injector Cleaner 5.25 fl oz 2 Count

535 ratings
STP Super Concentrated Fuel Injector Cleaner 5.25 fl oz 2 CountSTP Super Concentrated Fuel Injector Cleaner 5 25 FL OZ 2 Count3 pack STP Super Concentrated Fuel Injector Cleaner 5 25 FL OZ 2 Count12 pack STP Super Concentrated Fuel Injector Cleaner 5 25 FL OZ 2 Count24 pack STP Super Concentrated Fuel Injector Cleaner 5 25 FL OZ 2 Count6 pack STP Super Concentrated Fuel Injector Cleaner 5 25 FL OZ 2 Count
Pack Size2 Pack

Key item features

  • Dual Pack: Includes two 5.25 fl oz bottles of STP Super Concentrated Fuel Injector Cleaner.
  • Advanced Cleaning: Contains concentrated detergents that effectively dissolve and remove carbon, gum, and varnish deposits from fuel injectors.
  • Performance Restoration: Helps prevent hard starts, lost acceleration, and rough idling, while also aiding in fuel efficiency.
  • Jet Fuel Carrier: Utilizes jet fuel as a carrier to efficiently deliver the active cleaning ingredients.
  • Usage Frequency: Recommended for use with every oil change or every 4,000 miles for optimal vehicle maintenance.
  • Broad Compatibility: Suitable for all types of gasoline engines, including those with cap-less gas systems.
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Current price is $6.3760.7 ¢/fl oz
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Customer ratings & reviews

4.7 out of 5 stars
stars
535 ratings140 reviews
How item rating is calculated
  1. 5 stars83% (442)
  2. 4 stars11% (57)
  3. 3 stars4% (22)
  4. 2 stars0% (1)
  5. 1 star2% (13)

Reviews summary

Pros

  • : Offers affordable options compared to others.
  • : Improves fuel system cleanliness and increases mileage.
  • : Provides noticeable difference in fuel efficiency.
  • : Provides faster acceleration and responsive handling.
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Showing 1-3 of 140 reviews

Nov 12, 2025
Timothy
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

-HEADS UP FRIENDS- I 'Seldom leave reviews' < So Seldom! 2 my Fellow Man %26 Women - 'This Product works Simply Incredibly > by keeping your Fuel Injectors working at their Optimal Performances Period! -because I Know- ive had MANY Auto's chugging up hills (and on flat surfaces) then after adding 1 (ONE) Little Bottle of STP Super Concentrated Fuel Injector Cleaner > its LITERALLY Phenomenal just 'How many Automobiles ' started running Amazingly Better in 5-15 minutes later after Average Driving! Summary: ive owned / operated many repair shops! -Please dont Waste your Money on the Crazy Expensive Products- they are little 'IF ANY BETTER' Seriously! ie: Install (empty one container) into Every Other tank fill up to *Keep Your Fuel Injectors Clean %26 Enjoy the Best MPG Possible* i Assure you > You'll thank me! Keep your heads up > Lets help each other! -Please-

Helpful?2AGNJ8GZ5JNB16641229
Sep 15, 2025
WalmartCustomer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

I'm actually only guessing. I add it to my gas and just assume it's performing as advertised (cleaning fuel injectors and other internal engine parts).

Incentivized Review
Helpful?2AGNJ8GZ5JNB16641229
Oct 12, 2025
WalmartCustomer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Recently decided to start using this again. I've had good experiences in the past. Several years ago it helped after my engine was a little rough at start up due to dirty fuel lines and/or moisture in the tank.

Incentivized Review
Helpful?2AGNJ8GZ5JNB16641229