CJSA 1.4 TFSI 122hp
Engine code CJSA is a petrol engine of 1,395 cc, rated at 122 hp. It was fitted to 4 different Audi models, which is why the code matters more than the badge on the boot.
Cars fitted with CJSA
| Make | Model | Generation | Power |
|---|---|---|---|
| Audi | A1 | 8X (2010–2018) | 122 hp |
| Audi | A3 | 8V (2012–2020) | 122 hp |
| Audi | Q2 | GA (2016–2024) | 122 hp |
| Audi | Q3 | 8U (2011–2018) | 122 hp |
Which ECU it runs
CJSA is controlled by a Simos 12.1 engine control unit.
What goes wrong with this engine
The faults this engine is genuinely known for — and the timing arrangement, which decides a great deal about running costs — are covered in 1.4 TSI problems.
Where to find your engine code
The three or four letter code is stamped on the engine block and is usually printed in the service book. It is also stored electronically, so any diagnostic tool that talks to the engine control unit will read it back without you having to find the stamping.
The code matters more than the model year. Cars of the same age and badge were built with different engines, and the timing arrangement, common faults and correct parts all follow the code rather than the year.
VAGPULSE reads the engine code straight off the ECU, along with every stored fault and the live data behind it — so you never have to guess which engine you have. One payment, no subscription.
See VAGPULSE Look up a fault codeCommon questions
What car has engine code CJSA?
CJSA was fitted to the Audi A1 8X (2010–2018), the Audi A3 8V (2012–2020), the Audi Q2 GA (2016–2024), the Audi Q3 8U (2011–2018).
What is engine code CJSA?
CJSA is a 1.4 TFSI 122hp (petrol).
Which ECU does CJSA use?
CJSA runs a Simos 12.1 engine control unit.