Cars
Vans
Classics
Good Garage Guide
Kit
Sign up
Profile
Log in
Log out
Reviews
Car reviews
Long term tests
Car Chooser
Best car finance deals
Best Cars To Buy
Most reliable cars
Best SUVs
Best hybrid cars
Best PHEVs
Best electric cars
Best small automatics
Best estate cars
Best 7 seaters
> All best cars guides
Ask HJ
See all Ask HJ questions
Real MPG
Find your Real MPG
Best MPG Cars for 2025
News
Latest news
Electric Car Grant: how to apply
All new cars coming in 2026
Chinese EV Statistics: Marketshare Data
UK Car Insurance Statistics
Advice
Car buying advice
Insurance advice
Car finance advice
Car warranty advice
Owning and maintaining advice
Driving advice
Help & Tools
Car tax rates calculator
Best breakdown cover
How to reject a car
Does your car have a wet belt?
Satisfaction Index 2025
Free car valuation
Get a FREE valuation
How to sell your car
Cars For Sale
Used cars for sale
New cars for sale
Profile
Log out
Log in
New account
pd-5 fuel additive
Honest John
Back Room
»
Technical matters
View Threaded
Wed 7 Sep 2005 12:04
pd-5 fuel additive - mano
i recently bought a 2001 audi a4 2.0se,a friend of mine gave me a 250ml bottle of pd-5 to add to the fuel.
just wondered if anybody had used this and if it really makes a difference. thanks
Reply
|
Report as offensive
|
Link
Cars for Sale
2023 Porsche Taycan
300kW 79kWh 4dr RWD Auto
£49,950
was
£51,750
Details
2025 Porsche Macan
5dr PDK
£68,450
was
£71,950
Details
2021 Kia ProCeed
1.6T GDi ISG GT 5dr DCT
£18,684
was
£19,207
Details
2023 BMW X2
sDrive 18d Sport 5dr
£21,994
Details
Find more cars like this