Knowledge Base - Info:- MK2 Engine Codes Explained

MK2 Engine Codes Explained (3S-GE, 3S-GTE, 3S-FE, 5S-FE)

The first part of the code refers to the 'Series' (Bore, Stroke & Block) of engine block.
All UKDM & JDM MK2's use the same 2.0L '3S' block.
USDM had the '5S' 2.2L block.

Despite the 'common' bottom ends, all the big differences are in the cylinder head design.
The second part of the code refers to the cylinder head and its various attributes:-

'G': 'Performance', Wide-Angle, Twin-Cam. (45degrees or more between intake & exhaust valves)
'F': 'Economy', Narrow-Angle, Twin-Cam. (22degrees between intake & exhaust valves)
'E': Electronic Fuel Injection
'T': Turbocharged


Copyright © by MR2 Owners Club All Right Reserved.


Created : 2011-10-05 15:35:36, Last Modified : 2011-10-05 15:35:36

Technical Disclaimer 

The MR2 Owners Club and its respective owners, editors and contributors make no representations about the suitability of the information contained in the documents, materials and related graphics published on  

By using this site, you hold the site and it's affiliates not legally responsible for any damages due to advice given here. This site and it's affiliates takes no responsibility for consequences of any actions that arise from advice given. Any opinion is given with information provided by you and can not be taken as absolute.

All repairs should be undertaken by a competent and qualified technician. By using this site, you understand and agree that all advice given and followed are at your own risk and do not hold this site or it's affiliates responsible for any damages.