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Fuel Injector Cleaner

Fail

The top 5 products take 91% of clicks, so Fuel Injector Cleaner is a Fail.

Flapen Score
34
34 / 100
Ranks 768 of 811 Automotive niches · −15 vs the category median of 49
Market size
£98K/yr80K searches / yr
90-day growth
-11.1%search demand this quarter
Competition
91%top-5 click share · 6 brands · 44 sellers

Flapen Score

Fuel Injector Cleaner against its category

The dotted line is the Automotive average. Past it, Fuel Injector Cleaner is stronger. Inside it, weaker.

34Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Fuel Injector Cleaner market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Fuel Injector Cleaner 80K times last year and spent an estimated £98K. The top 5 brands take 97% of clicks. Flapen scores it 34 out of 100, a Fail.

01 · Demand

An estimated 10.2% of those searches ended in a purchase.

Shoppers searched for this 80K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 10.2% of those searches ended in a purchase. Searches in the last 90 days moved -11.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £98K a year.

Searches, last 12 months
80K
Growth, 90 days vs prior 90
-11.1%
Conversion, latest week
10.2%
Market size, estimated
£98Ka year
Peak month
April1.4× the quietest month
Top search term
engine flush37K searches a year

02 · Price

A sale here is worth £11.95.

Listings sell for £11.95 on average, from £5.11 to £20.85. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 750 to 1,000 of them. At £11.95 that is £9K to £12K a year per listing.

Average price
£11.95under the $15 to $100 sweet spot
Price range
£5.11–£20.85
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
750–1,000
Revenue per listing a year
£9K–£12K
Returns
0.6%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #113 within Oils & Fluids. It carries 6,896 reviews at 4.74 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#113in Oils & Fluids
Average rating
4.74 starsAmazon United Kingdom average 4.36 stars
Average reviews
6,896per listing
Listings tracked
8

04 · Newcomers

0 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 87 months on average, so the names here are established.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
87 months

Products

Top Fuel Injector Cleaner products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 91% of clicks. A locked shelf that new listings rarely crack.

Brands

6 falling

Sellers

44

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

91%

Top 20: 100%

Open market

0%

  • Brand 156%
  • Brand 219%
  • Brand 315%
  • Brand 44%
  • Brand 53%
  • Brand 63%

Demand

Fuel Injector Cleaner search demand

Weekly searches over the year, seasonality beneath. Pick a range.

4K3KSpike '24Spike '25Prime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top Fuel Injector Cleaner search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • engine flush37K/yr
  • engine flush diesel12K/yr
  • liqui moly engine flush11K/yr
  • engine flush petrol5K/yr
  • engine oil flush6K/yr
  • diesel engine flush3K/yr
  • oil flush3K/yr
  • liquid moly engine flush3K/yr

Reviews and returns

What reviews say buyers love and hate about Fuel Injector Cleaner

We read the reviews and the return reasons for every product selling here.

30%of positive reviews mention “Quality-Overall”
25%of negative reviews mention “Leak-Proof”
0.6%of orders come back
“have heard stories about leaks caused afterwards”
A buyer, on “Leak-Proof”25% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

18 topics

NegativePositive

FAQ

Common Fuel Injector Cleaner questions

Answered from the same tracked data.