Busting the Myth: You Don’t Need Your Engine Cleaned (And It May Do More Harm Than Good)

Engine cleaning is often marketed as an essential maintenance step. In reality, most cars do not need their engine cleaned, and in some cases, it can actually cause damage.
Where Did This Myth Come From?
A clean engine looks impressive. Many people assume that removing dirt and oil improves performance or longevity. This may have been true decades ago, but modern engines are very different.
Today’s engines are packed with sensors, wiring, and electronic components that do not respond well to water or chemicals.
How Engine Cleaning Can Cause Damage
Pressure washing or chemical cleaning can lead to:
- Electrical faults
- Sensor failures
- Water ingress into connectors
- Engine warning lights
These problems often appear days or weeks later, making them hard to trace.
When Is Engine Cleaning Actually Necessary?
There are only a few situations where engine cleaning makes sense:
- Severe oil leaks that need diagnosis
- Post-repair cleaning for visibility
- Specialist detailing for resale
Even then, it should be done carefully and professionally.
What You Should Do Instead
Regular servicing is far more important than cosmetic cleaning. Oil changes, filter replacements, and inspections keep your engine healthy from the inside — where it matters.
A slightly dusty engine bay is completely normal in Dubai.
Our Advice as Mechanics
If someone is pushing engine cleaning as “essential maintenance,” be cautious. At I Service Any Car, we prioritise what actually protects your vehicle, not what looks good on social media.

