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Just had new injectors and EGR/Manifold clean by 4WD mechanic in Melbourne. EGR and manifold were badly choked.. He recommended using and C3 grade Euro IV standard oil which has a low SAP (sulphur and Phosphate) . He stated that Toyota Australia have now changed over to this, belatedly so??
His opinion, based on experience, is that in order to minimise fouling of the EGR a C3 rated oil is needed. It also reduces smoking (Health dept will be into this)..Engine smoking I gather.. Below is an information sheet from Western Oil Australia on these new rated oils. Be interested in hearing from others what they have heard.
What has Euro IV meant for engine lubricants?
To effectively lubricate these newer technology high speed high horsepower die
needed to be improved. They have to;
• Be generally of lower viscosity, and offer a wider viscosity range to cater for change in engine designs such as closer
internal clearances and tolerances.
• Use highly stable “stay in grade” synthetic base oil and additives to allow for extended drain intervals and reliable
performance in extremes of environmental and mechanical conditions.
• Be low in Sulphur and Phosphorous (Low SAPs) to preserve petrol engine cata
service life.
• Be a fuel conserving style of lubricant to assist in achieving exceptional fuel economy common to the new generation of
motor vehicles.
• Be effective in keeping hard oil deposits and sludge to
changes.
Therefore Euro IV Low SAPs lubricants are very sophisticated lubricants and are somewhat more expensive a formula than
the regular and mid SAPs products of equivalent grade and service level.
His opinion, based on experience, is that in order to minimise fouling of the EGR a C3 rated oil is needed. It also reduces smoking (Health dept will be into this)..Engine smoking I gather.. Below is an information sheet from Western Oil Australia on these new rated oils. Be interested in hearing from others what they have heard.
What has Euro IV meant for engine lubricants?
To effectively lubricate these newer technology high speed high horsepower die
needed to be improved. They have to;
• Be generally of lower viscosity, and offer a wider viscosity range to cater for change in engine designs such as closer
internal clearances and tolerances.
• Use highly stable “stay in grade” synthetic base oil and additives to allow for extended drain intervals and reliable
performance in extremes of environmental and mechanical conditions.
• Be low in Sulphur and Phosphorous (Low SAPs) to preserve petrol engine cata
service life.
• Be a fuel conserving style of lubricant to assist in achieving exceptional fuel economy common to the new generation of
motor vehicles.
• Be effective in keeping hard oil deposits and sludge to
changes.
Therefore Euro IV Low SAPs lubricants are very sophisticated lubricants and are somewhat more expensive a formula than
the regular and mid SAPs products of equivalent grade and service level.
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