Ford Ka+ Engine ReplacementCompare Prices & Save

The MK1 1.3 Duratec petrol (A9B/A9D) is widely considered the most reliable Ka engine, regularly reaching 120,000-180,000 miles with basic maintenance. Avoid the MK2 1.3 TDCi diesel if reliability is your priority.

• MK1 1.3 Duratec petrol regularly exceeds 120,000-180,000 miles with basic maintenance
• MK2 1.2 Duratec is solid but timing chain may stretch from 60,000 miles
• MK2 1.3 TDCi diesel has known EGR and DPF issues, especially on short trips
• SportKa 1.6 Zetec-SE is fun but chain tensioner needs monitoring from 50,000 miles

A rebuilt Ford Ka engine costs £500-£1,400 supply only, depending on the engine code. Add £250-£500 for supply and fit. Used engines start from £350 but come with minimal warranty.

• MK2 1.2 Duratec rebuilt: £500-£1,100 supply only
• MK1 1.3 Duratec rebuilt: £450-£950 supply only
• 1.3 TDCi diesel rebuilt: £650-£1,400 supply only
• SportKa 1.6 rebuilt: £650-£1,250 supply only
• Supply and fit adds approximately £250-£500 to any engine price

Timing belt failure on MK1 1.3 Endura-E engines is catastrophic - belt snaps destroy valves and pistons. On MK2 1.2 Duratec, timing chain stretch from 60,000 miles is the main issue. Diesel Ka EGR valve clogging is also very common.

• MK1 Endura-E timing belt: interference design, belt snap destroys the engine
• MK2 Duratec timing chain: stretches from 60,000 miles causing rattles and poor running
• 1.3 TDCi EGR valve: clogs from 40,000 miles, causing rough idle and power loss
• Coil pack failure: common on both MK1 and MK2 petrol variants
• Rocker cover gasket leaks: minor but common across all Ka petrol engines

Yes, if the car is otherwise solid. A rebuilt Ka engine costs £500-£1,400 fitted. With a clean MK1 Ka worth £1,000-£2,000 and MK2 worth £1,000-£3,000, replacement often makes more financial sense than scrapping.

• Ka values have stabilised - clean examples are holding their price
• A rebuilt engine with 12-month warranty costs less than replacing the car
• MK1 rust and MK2 diesel DPF issues aside, most Kas are mechanically simple to repair
• Used engine £350-£750 fitted offers the lowest entry point
• Rebuilt engine with upgraded components is recommended if keeping the car long-term

MK1 Ford Ka (1996-2008) uses a timing belt on all engines - replace every 5 years/50,000 miles. MK2 (2008-2016) uses a timing chain on both petrol and diesel - chain rarely needs replacement but tensioners can fail.

• MK1 all engines: timing belt (interference design) - failure destroys engine
• MK2 1.2 Duratec: timing chain - listen for rattle on cold start from 60,000 miles
• MK2 1.3 TDCi diesel: timing chain - generally reliable but tensioner can fail
• SportKa 1.6: timing chain - known tensioner weakness, check from 50,000 miles
• MK1 belt replacement typically £200-£350 at a specialist

Most Ford Ka engines use 5W30 fully synthetic oil. Change annually or every 6,000-10,000 miles - the official 12,500-mile service interval is too long for older, high-mileage engines .

• 1.3 Endura-E (MK1): 5W30, 3.5 litres, change every 6,000 miles for longevity
• 1.2 Duratec (MK2): 5W30, 3.2 litres, change annually or 8,000 miles
• 1.3 TDCi diesel: 5W30 low-ash, critical for DPF health - do not extend intervals
• Small sump means oil degrades faster - check level monthly
• Regular oil changes prevent timing chain stretch on MK2 Duratec engines

The MK2 Ka 1.2 Duratec's timing chain can stretch from 60,000 miles, causing rattle on cold start and eventually timing drift. If the chain jumps, valves hit pistons. Replace the chain preventatively if you hear rattling.

• Chain stretch affects A4B, A4C, A4D codes most commonly
• Cold start rattle is the first warning sign
• Ignoring chain noise leads to timing jump and bent valves
• Preventative chain replacement: £400-£650 at specialist
• Full engine replacement after chain failure: £900-£1,500

EGR valve clogging is the most common diesel Ka problem, causing rough idle, power loss, and black smoke from 40,000 miles . Cleaning (£100-£180) works temporarily; replacement (£200-£350) is the permanent fix.

• Symptoms: rough idle, fluctuating revs, loss of power, black smoke on acceleration
• Urban driving accelerates carbon buildup in the EGR valve
• Cleaning works for 6-12 months; replacement is longer-term solution
• If oil level is rising on dipstick, oil dilution has occurred - engine damage may already be present
• Extended oil changes make EGR problems worse - use correct low-ash oil

MK1 (1996-2008) uses Ford's own Endura-E engines with timing belts. MK2 (2008-2016) uses Fiat-derived Duratec engines with timing chains. They are not interchangeable - completely different engine mounts, wiring looms, and ECUs.

• MK1 engines: 1.0/1.3 Endura-E belt-driven, simple OHV design
• MK2 engines: 1.2 Duratec chain-driven, Fiat 500 architecture
• MK2 diesel: 1.3 TDCi Fiat Multijet - not available in MK1 at all
• Engine mounts, gearbox bolt patterns, and electronics are generation-specific
• Stick to same engine code when replacing - A4B for A4B, A9B for A9B

Used (£350-£750) is cheapest but riskiest - no internal warranty. Rebuilt (£500-£1,100) restores reliability with new gaskets and bearings. Reconditioned (£800-£1,500) returns to factory specification with all wear parts replaced. For long-term ownership, rebuilt or reconditioned is better value.

• Used engine: lowest cost, but condition of timing components is unknown
• Rebuilt engine: new gaskets, rings, bearings - timing components inspected
• Reconditioned engine: machined to factory tolerances, hot-tested - best warranty
• All EnginesMarket engines include 12-month minimum warranty
• Avoid engines without documented history - especially on high-failure codes like the 1.2 Duratec