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Excessive Oil Consumption in 2019 S60 T5 - Smoke from Exhaust

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Ashley M. · rep 0 · May 22, 5:12 AM · 1 replies · solved · Question

Vehicle: 2019 Volvo S60 T5 R-Design

Hi everyone,

I'm a bit concerned about my 2019 Volvo S60 T5 R-Design. It's only got about 50,000 miles on it, but I've noticed it's been consuming an unusual amount of oil lately. I have to add a quart every 1,500-2,000 miles, which seems excessive for a relatively new car.

Recently, I've also started seeing a bit of blue-ish smoke from the exhaust, especially on cold starts or when accelerating hard after idling. The engine also feels a little rough at idle sometimes. I'm worried this might be a sign of a bigger problem. Could it be related to the PCV system or something more serious?

Any insights or similar experiences with the T5 Drive-E engine would be helpful. Thanks!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 5:12 AM

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ClearTheCode admin answer:

Excessive oil consumption, blue smoke from the exhaust, and a rough idle in your 2019 Volvo S60 T5 are classic indicators of an issue with the Positive Crankcase Ventilation (PCV) system or potentially piston ring wear. The Drive-E engines, while generally robust, can sometimes develop these issues.

Common Causes & Diagnostics:

  1. PCV System Failure: A clogged or failed PCV valve/oil trap system is a very common culprit. When the PCV system can't properly vent crankcase pressure, it can force oil past piston rings or valve seals, leading to consumption and blue smoke. It can also create a vacuum leak, causing a rough idle and potentially a P0171 (System Too Lean Bank 1) code.
  2. Worn Piston Rings/Cylinder Walls: While less common at 50,000 miles, excessive wear on piston rings can allow oil to enter the combustion chamber. This is usually accompanied by a loss of compression.
  3. Valve Stem Seals: Worn valve stem seals can allow oil to leak into the combustion chamber, especially noticeable on startup after the car has sat for a while.
  4. Turbocharger Seal Leak: A failing turbocharger seal can allow oil to enter the intake or exhaust, leading to blue smoke. This is often accompanied by a distinct burning oil smell and potentially turbo noise.

What to Do:

  1. Check for Vacuum Leaks: A failing PCV system can create a vacuum leak. Listen for hissing sounds around the engine bay.
  2. Oil Consumption Test: Start an official oil consumption test, documenting oil levels and mileage. This is often required by dealerships for warranty claims.
  3. Scan for Codes: Even if the check engine light isn't on, scan for pending or stored codes, especially those related to fuel trim (P0171, P0174).

When to See a Shop:

It's highly advisable to have your Volvo S60 inspected by a Volvo dealership or a specialist. They can perform a proper diagnosis, including checking crankcase pressure, performing a compression test, and inspecting the PCV system components. Addressing PCV issues promptly can prevent more serious engine damage. If it's a known issue for your specific engine variant, Volvo may have service bulletins or extended warranty coverage.

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