01
Vauxhall Astra J
Generation/Chassis
Astra J (2010-2015)
Badge(s)
1.7 CDTi, 1.7 CDTi EcoFlex
Years
2010-2015
Link
Vauxhall A17DTR Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The 1.7-litre Euro 5 CDTi diesel fitted to Astra J and Zafira B models from 2010 to 2015, with reconditioned units from £1,000 and 270+ UK replacement requests in 2025 .
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£350
Reconditioned from
£1,000
Rebuilt from
£1,800
GB
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Key Specs
Vauxhall A17DTR - Specifications at a Glance
Engine Code
A17DTR
Fuel
Diesel
Configuration
1.7L inline-4, turbocharged, common rail
Power Output(s)
125 hp (92 kW) at 4,000 rpm
Torque
280 Nm at 2,000-2,700 rpm
Years Produced
2008-2015
UK Models Fitted
4 Vauxhall models - full list in Compatibility below
2025 UK Replacement Requests
270+
Replaced
Z17DTR (Euro 4 predecessor)
Replaced By
B16DTH / D16DTH (1.6 CDTi)
Most Common Failure
EGR valve / cooler carbon buildup
Reconditioned Price Range
£1,000-£2,000 supply-only
Vetted UK specialists for A17DTR replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Vauxhall Models Use the A17DTR-
TAG: Fitted To
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Vauxhall Astra J | Astra J (2010-2015) | 1.7 CDTi, 1.7 CDTi EcoFlex | 2010-2015 | |
| Vauxhall Zafira B | Zafira B (2005-2014) | 1.7 CDTi | 2008-2014 | |
| Vauxhall Meriva B | Meriva B (2010-2017) | 1.7 CDTi | 2010-2017 | |
| Vauxhall Corsavan D | Corsavan D (2011-2018) | 1.7 CDTi | 2011-2018 |
02
Vauxhall Zafira B
03
Vauxhall Meriva B
04
Vauxhall Corsavan D
CROSS-BRAND
A17DTR is documented across 4 BMW applications spanning Vauxhall Astra J, Vauxhall Zafira B, Vauxhall Meriva B, Vauxhall Corsavan D. Registration lookup confirms the exact suffix before quotes are sent.
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Prices
Vauxhall A17DTR Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £350-£800 | £875-£1,400 | 3-6 months |
Reconditioned | £1,000-£2,000 | £1,500-£2,800 | 12-24 months |
Rebuilt | £1,800-£3,000 | £2,300-£3,900 | 12-24 months |
All from Table A where listed. Fitted = supply price + labour band below.
Labour Guide
Fitting an A17DTR typically takes 8-10 hours at £65-£75/hr (independent) - confirm exact labour when comparing quotes.
Price Factors
What genuinely moves the price for this engine is whether the EGR cooler and DPF have been addressed, whether the timing belt has been done at the recommended interval, and whether the replacement unit is a matching Euro 5 A17DTR rather than an older Euro 4 Z17DTR (which is not a compliant swap) . See our full reconditioned engine cost guide for more detail.
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Common Problems
Vauxhall A17DTR Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the A17DTR, based on real-world data and verified failure patterns.
Verified issue focus: EGR valve / cooler carbon buildup.
1. EGR valve and cooler carbon buildup - all A17DTR variants
1. EGR valve and cooler carbon buildup - all A17DTR variants
Typical onset:
60,000-100,000 miles
What happens:
The EGR valve and cooler clog with carbon deposits, leading to reduced engine performance, limp mode activation, and eventual turbocharger failure if left unaddressed. The A17DTR family is particularly susceptible to EGR cooler coking due to its exhaust after-treatment layout .
Repair vs replace:
EGR cleaning or cooler replacement is a viable repair on its own, typically £200-£500. If the DPF also fails from regeneration issues, replacement cost escalates to where a reconditioned unit may make more sense.
Read more about this issue
2. DPF regeneration failures - urban-use vehicles
2. DPF regeneration failures - urban-use vehicles
Typical onset:
70,000-120,000 miles
What happens:
The DPF fails to regenerate properly in short-trip urban driving, leading to blocked filters, increased back-pressure, and eventual limp mode. A17DTRs used primarily in town driving are most at risk .
Repair vs replace:
Forced regeneration or DPF cleaning (£300-£600) can resolve the issue if caught early; if the DPF is physically damaged, replacement is required.
Read more about this issue
3. Injector failure (cylinder 3/4 misfire) - higher-mileage units
3. Injector failure (cylinder 3/4 misfire) - higher-mileage units
Typical onset:
80,000-120,000 miles
What happens:
Owners report persistent cylinder 3 and 4 misfires, surging idle, and fault codes P0303/P062B, sometimes with associated engine block damage . Misfire can cause localised overheating and valve/piston damage.
Repair vs replace:
Injector replacement and coding (£300-£800) can fix misfire issues. However, if the head has melted or the block is damaged, full engine replacement is typically the only viable option.
Read more about this issue
Later production units (2013 onward) benefit from updated EGR cooler designs that are less prone to carbon buildup, though the A17DTR's core issues remain design-related rather than production-specified .
Compare rebuilt A17DTR prices with the failure already addressed
Engine Variants
A17DTR Sub-Codes Explained - Which One Is in Your Car-
The A17DTR is one member of the 1.7 CDTi Circle L family. The key distinction between A17DTR and its predecessors/siblings is the Euro 5 emissions standard - it replaces the Euro 4 Z17DTR and is mechanically similar to the A17DTJ (both Euro 5, but with different ECU mapping) . - Fitted to: Astra J, Zafira B, Meriva B, Corsavan D - linked above - Key technical difference: Euro 5 emissions with DPF, 125hp / 280Nm output - Sub-code-specific failure note: Shares the EGR/DPF/injector patterns above - the A17DTR's Euro 5 calibration is a contributing factor to DPF regeneration frequency - Interchange note: Do NOT use a Z17DTR (Euro 4) as a replacement - EU regulations prohibit emissions downgrades and the ECU/loom are not compatible . A17DTJ is mechanically compatible as a like-for-like Euro 5 unit
The engine code is stamped on the cylinder block, usually near the timing belt cover or on the engine identification plate. You can also find it on the V5C logbook or by entering your registration at the top of this page.
Easily Confused
Z17DTR
The Euro 4 predecessor of the A17DTR. The Z17DTR lacks the DPF system and has a different ECU calibration, making it incompatible with A17DTR applications due to emissions compliance and wiring loom differences.
Alternative / Next-Gen Code
A17DTJ
The lower-output sibling of the A17DTR, producing 110hp instead of 125hp. Both are Euro 5 units and mechanically similar, but the A17DTJ has different ECU mapping and injector coding - owners looking for the higher-output 125hp unit should ensure they are purchasing an A17DTR, not an A17DTJ, unless the lower power output is acceptable.
Related JLR Variants
/vauxhall/z19dth-engine
Z19DTH 1.9 CDTi - The larger-displacement sibling fitted to Astra H and Zafira B. The Z19DTH has a different block, different injector setup, and is not a straight swap - but it shares the same failure patterns (EGR, swirl flaps, injectors) with the A17DTR. Owners of Zafira B or Astra J vehicles should check whether their car has the 1.9 or 1.7 CDTi before ordering.
Confirm the exact A17DTR fitment
The engine code is stamped on the cylinder block, usually near the timing belt cover or on the engine identification plate. You can also find it on the V5C logbook or by entering your registration at the top of this page.
Buying Guide
Buying a Replacement A17DTR - What to Choose
Choosing the right replacement route depends on your budget, risk tolerance, and ownership goals. Here's a breakdown of your options.
Used:
A used A17DTR can make sense for low-value Astra J or Zafira B hosts, but only with documented EGR/DPF service history and injector health verification. The risk is latent EGR cooler damage or DPF saturation that will fail shortly after fitment. Reconditioned units are strongly preferred for this engine family.
Reconditioned:
A proper A17DTR recon addresses the EGR cooler (updated design), DPF system validation, injector testing and recalibration, and timing belt replacement. For diesel models, remanufactured units with EGR cooler and DPF system validation are essential . This is the right call for most replacements.
Rebuilt:
A full rebuild is only justified when the engine block and head are in good condition (no melted valves or cracked block). If injector failure caused cylinder/valve damage, a rebuilt unit with replacement pistons and head work may be the only way to save the vehicle.
Supply & Fit Line:
Fitting through our network of vetted Vauxhall specialists includes full system coding (injector calibration, ECU matching), 12-month warranty, and nationwide supply options.
Vehicle Value Note:
The A17DTR typically sits in Astra J, Zafira B, and Meriva B vehicles with current values ranging from £1,500 to £7,000. A reconditioned A17DTR at £1,000-£2,000 supply-only plus fitting means a total cost of £1,500-£2,800. On an older sub-£2,500 Astra J or Zafira B, evaluate scrap value before committing - a full fitted replacement may exceed 60% of the vehicle's worth. For higher-value examples (£4,000+), replacement remains viable .
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Related Engines
Engines Related to the Vauxhall A17DTR
Explore engines that are closely related to the Vauxhall A17DTR, including its predecessor, successor, and key family variants.
Predecessor
Z17DTR
The Euro 4 predecessor of the A17DTR. The Z17DTR lacks the DPF system and has a different ECU calibration, making it incompatible with A17DTR applications due to emissions compliance and wiring loom differences.
Sibling
A17DTJ
The lower-output sibling of the A17DTR, producing 110hp instead of 125hp. Both are Euro 5 units and mechanically similar, but the A17DTJ has different ECU mapping and injector coding - owners looking for the higher-output 125hp unit should ensure they are purchasing an A17DTR, not an A17DTJ, unless the lower power output is acceptable.
Sibling
/vauxhall/z19dth-engine
Z19DTH 1.9 CDTi - The larger-displacement sibling fitted to Astra H and Zafira B. The Z19DTH has a different block, different injector setup, and is not a straight swap - but it shares the same failure patterns (EGR, swirl flaps, injectors) with the A17DTR. Owners of Zafira B or Astra J vehicles should check whether their car has the 1.9 or 1.7 CDTi before ordering.
Successor
B16DTH / D16DTH 1.6 CDTi
The Euro 6 replacement for the A17DTR, introduced from 2014 onward. The 1.6 CDTi is a completely different engine architecture (GM/PSA co-developed), offering improved emissions compliance and different failure modes - owners of 2014+ vehicles should be looking at 1.6 CDTi pages, not the A17DTR.
FAQ
Vauxhall A17DTRFrequently Asked Questions
Question 1How much does a replacement Vauxhall A17DTR engine cost-
Reconditioned A17DTR units range from £1,000 to £2,000 supply-only, with fitted costs of £1,500-£2,800 at independent specialists. Used units: £350-£800 supply-only. Rebuilt units: £1,800-£3,000 supply-only. Labour: 8-10 hours at £65-£75/hr.
- Used units: £350-£800 supply-only
- Rebuilt units: £1,800-£3,000 supply-only
- Labour: 8-10 hours at £65-£75/hr
Question 2What are the most common A17DTR engine problems-
The A17DTR is known for EGR valve/cooler carbon buildup, DPF regeneration failures in urban driving, and injector issues causing cylinder 3/4 misfires. EGR cooler failure typically occurs at 60,000-100,000 miles, DPF blockage is common in short-trip urban use, and injector failure can cause localised overheating and engine damage.
- EGR cooler failure typically occurs at 60,000-100,000 miles
- DPF blockage is common in short-trip urban use
- Injector failure can cause localised overheating and engine damage
Question 3Which Vauxhall models use the A17DTR engine-
The A17DTR was fitted to Vauxhall Astra J (2010-2015), Zafira B (2008-2014), Meriva B (2010-2017), and Corsavan D (2011-2018). All are 1.7 CDTi Euro 5 diesel variants. Check your V5C or engine plate to confirm the exact code.
- All are 1.7 CDTi Euro 5 diesel variants
- Check your V5C or engine plate to confirm the exact code
Question 4Can I replace my A17DTR with a used engine-
Yes, but only with documented EGR/DPF service history and injector health verification. Used units from £350-£800 are available. Risk: latent EGR cooler damage or DPF saturation. Reconditioned units are strongly preferred for this engine family.
- Used units from £350-£800 are available
- Risk: latent EGR cooler damage or DPF saturation
- Reconditioned units are strongly preferred for this engine family
Question 5What's the difference between A17DTR and A17DTJ-
Both are Euro 5 1.7 CDTi engines, but the A17DTR produces 125hp while the A17DTJ produces 110hp. A17DTR is the higher-output variant (125hp / 280Nm), A17DTJ is the lower-output variant (110hp / 260Nm). They share the same block but have different ECU mapping and injector coding.
- A17DTR is the higher-output variant (125hp / 280Nm)
- A17DTJ is the lower-output variant (110hp / 260Nm)
- They share the same block but have different ECU mapping and injector coding
Question 6Is the A17DTR engine reliable-
The A17DTR is considered a robust engine when properly maintained, but it is sensitive to EGR/DPF service intervals and oil change discipline. Regular oil changes (every 10,000-12,000 miles or annually) are essential, DPF-friendly driving (regular motorway runs) helps prevent regeneration issues, and EGR cooler inspection at 60,000 miles is recommended.
- Regular oil changes (every 10,000-12,000 miles or annually) are essential
- DPF-friendly driving (regular motorway runs) helps prevent regeneration issues
- EGR cooler inspection at 60,000 miles is recommended
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Minimum 12-Month Warranty
Minimum 12-month warranty on reconditioned and rebuilt options
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