You'll find the EA211 evo 1.5 TSI in the Golf 7.5 and Golf 8, Octavia 4, A3 8Y, Leon 4, T-Roc, Karoq and Tiguan. It's an economical little engine that shuts down two cylinders when you're driving gently to save fuel. Overall, a good engine. But! At Das Auto Service, owners keep coming in and telling me exactly the same thing: "Every morning, while the engine's cold, the car kangaroos down the road. It's especially bad when I pull away or drive at low revs." If you've got a 1.5 TSI, I bet that sounds familiar. It's the classic 1.5 TSI cold engine jerking problem.
What Does 1.5 TSI Jerking Actually Feel Like?
You start the car in the morning, pull away, and within the first few minutes it starts jerking. You notice it most when pulling away or crawling through town at low revs. You lift off the accelerator, then touch it ever so gently again. Instead of accelerating smoothly, the car starts kangarooing. Once the engine warms up, everything settles down. Some cars only do it in cold weather. Others do it almost every morning.
Why Does the 1.5 TSI Jerk When Cold?
This engine is designed to use as little fuel as possible and keep emissions to a minimum. When it's cold, it runs a lean mixture, meaning less fuel compared with the amount of air, while the cylinder deactivation system switches between two and four cylinders. Add the way the accelerator pedal is calibrated, and you've got an engine that doesn't always respond smoothly at low revs. But here's something important I want you to understand: it doesn't necessarily mean a part has failed. Quite often, the problem is simply how the engine computer is controlling everything.
Can the Jerking Be Fixed?
Yes! The manufacturer has released a software update for the engine ECU. It changes how the engine responds when you press the accelerator. On many cars, the improvement is quite noticeable. On others, the jerking gets better but doesn't disappear completely. That's why we don't start throwing new parts at the problem at Das Auto Service. First, we check which software version is installed in the engine ECU.
- We read the stored fault codes and check which software version the engine is running.
- If a newer software version is available for your engine, we update it.
- We check the spark plugs, ignition coils and intake system to rule out a genuine engine misfire.
- We also check the oil. The specification for the 1.5 TSI evo is VW 508.00, 0W-20.
There's one very important difference here. If your car only jerks when cold, that's one thing. But if the check engine light comes on or starts flashing, we're no longer talking about a simple engine characteristic. A flashing check engine light means the engine is misfiring. Don't carry on driving like that.
How Should You Drive Until You Get It Sorted?
- In the morning, while the engine is cold, be gentle with the accelerator. Don't put your foot down hard in the first few minutes.
- If you've got a manual gearbox, don't make the engine struggle in second gear at very low revs.
- If you've got a DSG, don't keep the car creeping along in traffic by constantly giving it a little throttle.
A tip from Kris Mladenov: If your 1.5 TSI jerks when cold, don't rush out and replace the spark plugs, ignition coils and everything else someone suggests. Check the engine software first. Sometimes half an hour with the diagnostic tester sorts the problem without us replacing a single part. I'm telling you this because I don't want you wasting your money.
If your 1.5 TSI jerks in the morning, you now know where to start. Diagnostics and a software check first. Then, if necessary, we look at replacing parts. I don't want you paying for things that might not need replacing at all. Hopefully, your car will soon be pulling away smoothly, even when it's cold. And if this article has helped you, send it to a friend with a Golf 8 or Octavia 4. They might be wondering every morning why their car keeps kangarooing too.
The Product in Our Shop
Genuine LongLife IV 0W-20 engine oil G S60577M2 1 litre
Genuine LongLife IV 0W-20 engine oil meeting VW 508.00 specification. Suitable for the 1.5 TSI evo and other engines that require this specification.
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Frequently Asked Questions
Why does the 1.5 TSI kangaroo when pulling away cold?
It's down to how the engine is set up to save fuel when cold, along with the system switching between two and four cylinders. The manufacturer has released a software update to help the car pull away more smoothly.
What engine oil should I use in the 1.5 TSI evo?
The oil must meet VW 508.00 specification and be 0W-20. Genuine LongLife IV meets that specification.
Is it dangerous if my 1.5 TSI jerks?
If it only jerks when cold, it doesn't necessarily mean something is broken. But if the check engine light comes on or starts flashing, we need to check for an engine misfire. That's when you need a proper diagnostic check.