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Wynn's Petrol EGR 3 Aerosol

Wynn’s Petrol EGR 3 is an aerosol product developed for cleaning the air intake system of all petrol engines.
Variant Title Product Code
Wynn's Petrol EGR 3 Aerosol - 200ml wynns-29879
Wynn's Petrol EGR 3 Aerosol - Pack of 2 wynns-29879#2
Wynn's Petrol EGR 3 Aerosol - Pack of 3 wynns-29879#3
Wynn's Petrol EGR 3 Aerosol - Pack of 4 wynns-29879#4

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RRP: £10.96

Our Price From Excl. VAT: £8.67 From Incl. VAT: £10.40

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Product Description


Wynn’s Petrol EGR 3 is an aerosol product developed for cleaning the air intake system of all petrol engines.


  • Provides immediate thorough cleaning of the air intake system, air flow sensor, inlet valves, turbo and EGR system.
  • Strong power jet spray to support cleaning action.
  • Dissolves gum, lacquer, tar, carbon and varnish.
  • Easy to use, cleaning takes only 5 minutes, no dismantling of components necessary.
  • Restores or maintains the engine performance.
  • Provides a regular and stable idle.
  • Eliminates and avoids starting problems.
  • Improves acceleration properties.
  • Harmless to catalytic convertors.


  • Recommended to be used at each service interval to maintain cleanliness of the air intake manifold, inlet valves, air flow sensor, turbo and EGR system of petrol engines.




A. Cleaning of air intake manifold, air flow sensor and inlet valves

  • Warm up engine. Remove the air filter.
  • Run engine up to 2000 rpm.
  • Spray 200 ml product in short burst into the air intake manifold.
  • Rpm will drop during spraying. Allow the revs to pick back up before resuming.
  • If necessary, actuate the throttle to avoid stalling.
  • Let the engine idle for a few minutes with occasional throttle actuations, but do not exceed 3000 rpm.
  • Leave the engine running for at least one minute after the last acceleration.
  • Stop the engine. Put filter back in place.

B. Cleaning of EGR valve

  • If the valve is close to the air filter housing, use method A.
  • If the valve is at a more remote distance look if it is possible to remove a hose or pipe near to the valve.
  • Inject the product towards the EGR valve position in this opening.
  • If the valve is at a remote distance from this point and it is impossible to spray closer to the valve, use an extension tube.

For the rest of the treatment act as in A. C. Cleaning of EGR valve – Easy accessible

  • If the EGR valve housing is easy accessible and the EGR is easy to dismantle.
  • Dismantle EGR valve.
  • Spray the product directly on the valve, housing and other components, until these parts are very wet.
  • Let the product act a few minutes.
  • Spray again on the parts, until all the dirt has been removed.
  • It can help to remove the dirt with a piece of cloth or paper tissue.
  • Dry the parts with compressed air, cloth or paper tissue.
  • During this treatment it is not necessary to have the engine running.
  • Only the valve is cleaned with this method. The air tubing can only be cleaned according to the directions under A and B.

Warning Do not spray on painted surfaces. In such case, immediately clean with water to prevent damage.



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