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expiredphoinix | Staff posted Dec 20, 2025 11:25 PM
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expiredphoinix | Staff posted Dec 20, 2025 11:25 PM

[S&S] $6.50*: 12-Oz STP Direct Injection Fuel Injector Cleaner at Amazon

$6.50

$14

53% off
Amazon
11 Comments 2,477 Views
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Deal Details
Amazon [amazon.com] has 12-Oz STP Direct Injection Fuel Injector Cleaner for $6.84 - 5% when you check out via Subscribe & Save = $6.50.
Shipping is free with Prime or on $35+ orders.

Price
$7.38 lower (53% savings) than the typical price of $13.88

*Previous Frontpage Deal at $6.50 with 18 Deal Score and 12 comments.

Subscribe & Save
5%: $6.50
Add to next delivery [amazon.com] (with free shipping)
fillers [amazon.com]

Customer reviews
4.7⭐ / 2,014
600+ bought in past month

amazon.com/dp/B002FYIS7Q [amazon.com]

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Deal Details
Product Info
Community Notes
About the Poster
Amazon [amazon.com] has 12-Oz STP Direct Injection Fuel Injector Cleaner for $6.84 - 5% when you check out via Subscribe & Save = $6.50.
Shipping is free with Prime or on $35+ orders.

Price
$7.38 lower (53% savings) than the typical price of $13.88

*Previous Frontpage Deal at $6.50 with 18 Deal Score and 12 comments.

Subscribe & Save
5%: $6.50
Add to next delivery [amazon.com] (with free shipping)
fillers [amazon.com]

Customer reviews
4.7⭐ / 2,014
600+ bought in past month

amazon.com/dp/B002FYIS7Q [amazon.com]

My other deals

#pfpd

Community Voting

Deal Score
+15
Good Deal
Visit Amazon

Price Intelligence

Model: STP Direct Injection Fuel Injector Cleaner, Advanced Synthetic Technology Fuel Cleaner Dissolves Hardened Deposits that Accumulate on Injectors, 12 Oz, STP

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11 Comments

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Dec 21, 2025 01:05 AM
1,403 Posts
Joined Jul 2014
dealdigger101Dec 21, 2025 01:05 AM
1,403 Posts
Looked into these, it needs to have pea as the major ingredient and this is nothing better than a bunch of clear liquid.
Dec 21, 2025 01:37 AM
73 Posts
Joined Mar 2014
mferra1Dec 21, 2025 01:37 AM
73 Posts
Quote from dealdigger101 :
Looked into these, it needs to have pea as the major ingredient and this is nothing better than a bunch of clear liquid.
What do you mean by pea?
1
Dec 21, 2025 01:41 AM
407 Posts
Joined Dec 2019
bvbootykingDec 21, 2025 01:41 AM
407 Posts
Quote from mferra1 :
What do you mean by pea?
Petrol ethylamine
Dec 21, 2025 02:12 AM
1,465 Posts
Joined Mar 2014
CharlieC9067Dec 21, 2025 02:12 AM
1,465 Posts
Quote from dealdigger101 :
Looked into these, it needs to have pea as the major ingredient and this is nothing better than a bunch of clear liquid.
techron is on sale, it has pea
Dec 21, 2025 02:16 AM
1,403 Posts
Joined Jul 2014
dealdigger101Dec 21, 2025 02:16 AM
1,403 Posts
Quote from CharlieC9067 :
techron is on sale, it has pea
Yes techtron is the OG and is on sale for B1G1
Dec 21, 2025 04:05 AM
647 Posts
Joined Sep 2008
AudiomancerDec 21, 2025 04:05 AM
647 Posts
For those looking for the Chevron Techron PEA version, just search for "Chevron Techron Complete Fuel System Cleaner" on here and you'll see a few deals at Napa, O'Reilly, AutoZone, and Checker. Check locally if they're still active, and if so congrats. 👍
1
Pro
Dec 21, 2025 05:11 AM
12,761 Posts
Joined Jan 2007
MadPup
Pro
Dec 21, 2025 05:11 AM
12,761 Posts
Direct injection is an abomination. With port injection the gasoline keeps your intake valves clean. With DI you get both injectors and valves all coked up... for very little benefit.

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Pro
Dec 21, 2025 08:13 AM
915 Posts
Joined May 2012
lacosa2006
Pro
Dec 21, 2025 08:13 AM
915 Posts
i have used these all the time but i never "know" if truly makes a differences? i always see same MPG, same driving performance. Anyone feels the differences adding these additives?
Dec 21, 2025 11:32 AM
172 Posts
Joined Nov 2020
FabulousCaribou7551Dec 21, 2025 11:32 AM
172 Posts
Quote from lacosa2006 :
i have used these all the time but i never "know" if truly makes a differences? i always see same MPG, same driving performance. Anyone feels the differences adding these additives?
Absolutely if you indeed need the system cleaned and you use a 'complete' system cleaner with PEA. Like another commenter said, if it doesn't have PEA it is literally useless.
Dec 21, 2025 05:28 PM
3,217 Posts
Joined Mar 2005
00dahcDec 21, 2025 05:28 PM
3,217 Posts
This is PEA based.

https://cdn.shopify.com/s/files/1...1671121720
Last edited by 00dahc December 21, 2025 at 10:34 AM.
Dec 21, 2025 05:32 PM
1,736 Posts
Joined Dec 2013
SwampthinqDec 21, 2025 05:32 PM
1,736 Posts
Quote from dealdigger101 :
Yes techtron is the OG and is on sale for B1G1
where

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