M13A
Production History
- SZ3, SZ4, SZ5 (JB23 chassis) - 1998-2012
- SZ4, SZ5 (JB43 chassis) - 2012-2018
- Sierra variants (JB23/JB43) - 1998-2018
Known Failures
- Timing chain tensioner wear - causes cold-start rattle and potential chain skip from 80k miles.
- Oil consumption increase - piston ring wear leads to elevated oil use on higher-mileage units.
- VVT solenoid faults - P0011 codes and rough idle from clogged or failed variable timing components.
Specs
Petrol · 1.3L · 83-85hp · Naturally Aspirated
Replacement Cost
Typical UK rebuilt engine: £1,495-£2,800 (supply only)



