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Volkswagen CAGA Engine - Replacement Cost, Problems & CompatibilityProblems & Compatibility
The 2.0-litre Pumpe Düse (PD) diesel fitted to mainstream Volkswagen and Audi models from 2003 to 2008. Reconditioned Volkswagen CAGA units are available from £2,200 , with 1,050 UK replacement requests logged for the EA189 2.0 TDI family in 2025 .
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Used from
£900
Reconditioned from
£2,200
Rebuilt from
£3,200
GB
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Quotes only from vetted UK engine specialists.
Key Specs
Volkswagen CAGA - Specifications at a Glance
Engine Code
CAGA
Fuel
Diesel
Configuration
2.0L inline-4, Pumpe Düse (PD) turbo diesel
Power Output(s)
140hp (typical for CAGA tune)
Years Produced
2003-2008
UK Models Fitted
3+ Volkswagen/Audi models - full list in Compatibility below
2025 UK Replacement Requests
1,050 for the VW/Audi EA189 2.0 TDI family
Replaced
Earlier 1.9 TDI PD variants
Replaced By
Common Rail 2.0 TDI variants (e.g., CRBC, CRLB)
Most Common Failure
Injector coking and EGR valve clogging
Reconditioned Price Range
£2,200-£3,800 supply-only
Vetted UK specialists for CAGA replacements
Minimum 12-month warranty on reconditioned and rebuilt options
Fitted To
Which Volkswagen Models Use the CAGA-
The CAGA is a high-volume 2.0-litre Pumpe Düse (PD) diesel engine code, widely fitted across the Volkswagen Group's core lineup in the mid-2000s before the transition to Common Rail (CR) architecture.
| Model | Generation/Chassis | Badge(s) | Years | Link |
|---|---|---|---|---|
 Volkswagen Golf | Mk5 | 2.0 TDI | 2003-2008 | |
| Volkswagen Passat | B6 | 2.0 TDI | 2005-2008 | |
| Volkswagen Audi A3 | 8P | 2.0 TDI | 2003-2008 |
02
Volkswagen Passat
03
Volkswagen Audi A3
CROSS-BRAND
CAGA is documented across 3 BMW applications spanning Volkswagen Golf, Volkswagen Passat, Audi A3. Registration lookup confirms the exact suffix before quotes are sent.
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Prices
Volkswagen CAGA Engine Replacement Cost (UK)
Condition | Supply Only | Fitted (Independent Specialist) | Typical Warranty |
|---|---|---|---|
Used | £900-£2,000 | £1,420-£2,715 | 3-6 months |
Reconditioned | £2,200-£3,800 | £2,720-£4,515 | 12-24 months |
Rebuilt | £3,200-£5,000 | £3,720-£5,715 | 12-24 months |
The final cost of a Volkswagen CAGA engine replacement hinges heavily on the condition of the Pumpe Düse injectors and the turbocharger. Units with a documented history of EGR cleaning and timely timing belt changes command a slight premium but carry a significantly lower immediate risk. For a detailed breakdown of how these components affect your final invoice, see our full reconditioned engine cost guide.
Labour Guide
Fitting a Volkswagen CAGA typically takes 8-11 hours at £65/hr (independent) - confirm exact labour when comparing quotes .
Price Factors
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Common Problems
Volkswagen CAGA Engine Problems - What Actually Fails
Every engine has its weak points. Here are the known issues with the CAGA, based on real-world data and verified failure patterns.
Verified issue focus: Injector coking and EGR valve clogging.
1. Injector Coking and Seal Failure - 2003-2008 models
1. Injector Coking and Seal Failure - 2003-2008 models
Typical onset:
80k-150k miles
What happens:
The Pumpe Düse (PD) injection system operates at extremely high pressures. Over time, carbon buildup (coking) around the injector seals leads to combustion gases leaking into the valve cover, causing severe carbon accumulation and potential head gasket compromise.
Repair vs replace:
If caught early, replacing the injector seals and cleaning the coking is a viable repair (£200-£500). However, if the leak has caused extensive cylinder head damage or the injectors themselves are worn, a full Volkswagen CAGA engine replacement becomes the more reliable long-term solution. Read our full injector failure guide.
Read more about this issue
2. EGR Valve and DPF Clogging - All CAGA variants
2. EGR Valve and DPF Clogging - All CAGA variants
Typical onset:
80k-150k miles
What happens:
Frequent short urban trips prevent the Diesel Particulate Filter (DPF) from reaching the high temperatures required for active regeneration. Soot builds up, increasing exhaust backpressure. This restricts airflow, leading to turbocharger strain and exacerbating EGR valve clogging, which further chokes the engine of fresh air.
Repair vs replace:
A professional DPF clean or forced regeneration can resolve early-stage clogging. If the DPF is physically cracked or the turbo has suffered oil starvation due to blocked return lines, a reconditioned CAGA engine is often more cost-effective than piecemeal component replacement. Read our full DPF clogging guide.
Read more about this issue
The CAGA is generally considered a robust iteration of the 2.0 TDI PD family, provided the timing belt and water pump are serviced strictly every 60k-80k miles. Post-2008 Common Rail (CR) variants resolved many of the PD-specific injector coking issues .
Compare rebuilt CAGA prices with the failure already addressed
Engine Variants
How to Confirm You Have the CAGA
The Volkswagen CAGA engine code is stamped directly onto the engine block, typically on a machined pad near the junction of the engine and the transmission bell housing. It is also clearly listed on your V5C registration document under "Engine Number" and can be decoded from your 17-digit VIN.
Not sure which engine your car has- Enter your registration above - we'll confirm your exact CAGA fitment before any quotes are sent.
Easily Confused
1.9 TDI PD variants
the highly durable predecessor that the CAGA replaced, lacking the specific 2.0L PD injector coking severity but sharing similar EGR sensitivities.
Alternative / Next-Gen Code
CRBC
- the early Common Rail 2.0 TDI that succeeded the PD architecture, largely resolving the injector seal and coking issues at the cost of higher-pressure fuel pump complexity.
Related JLR Variants
Audi EA189 PD variants
the identical physical unit fitted to contemporary Audi A3 (8P) and early A4 models, sharing the exact same failure patterns and replacement economics.
Confirm the exact CAGA fitment
Not sure which engine your car has- Enter your registration above - we'll confirm your exact CAGA fitment before any quotes are sent.
Buying Guide
Buying a Replacement Volkswagen CAGA - 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 Volkswagen CAGA engine is a viable option only if it comes with a verifiable service history proving regular timing belt changes and recent EGR/DPF maintenance. Without this documentation, you risk inheriting hidden "Black Death" injector coking or turbo wear that will trigger failures shortly after installation. Explore vetted options via our used engines network.
Reconditioned:
A properly reconditioned CAGA is the recommended choice for most owners. A reputable rebuild will include refreshed Pumpe Düse injectors with new copper seals, a cleaned or replaced EGR valve, and a verified turbocharger, directly addressing the EA189 PD's known weak points and restoring the engine to near-factory reliability. Compare reconditioned engines today.
Rebuilt:
A full rebuild is justified for high-mileage CAGA units that have suffered secondary damage, such as turbo failure leading to oil starvation or severe injector leaks damaging the cylinder head. An upgraded rebuild should include a new timing belt kit, water pump, and revised EGR components to prevent future recurrence. Learn more about rebuilt engines.
Supply & Fit Line:
Opting for a supply-and-fit service through our network ensures the replacement is performed by Volkswagen specialists, with the warranty backed by the installing garage for complete peace of mind. View our supply and fit options.
Vehicle Value Note:
The CAGA is typically found in Volkswagen Golf Mk5 and Passat B6 models valued between £2,000 and £8,000 . For lower-value examples (sub-£3,000), a reconditioned engine costing £2,200+ may approach or exceed 70% of the vehicle's current market value. If the lowest viable replacement cost exceeds approximately 60% of the vehicle's current market value, evaluate scrap value before committing.
Compare CAGA Engine Prices Now
Related Engines
Engines Related to the Volkswagen CAGA
Explore engines that are closely related to the Volkswagen CAGA, including its predecessor, successor, and key family variants.
Predecessor
1.9 TDI PD variants
the highly durable predecessor that the CAGA replaced, lacking the specific 2.0L PD injector coking severity but sharing similar EGR sensitivities.
Successor
CRBC
- the early Common Rail 2.0 TDI that succeeded the PD architecture, largely resolving the injector seal and coking issues at the cost of higher-pressure fuel pump complexity.
Cross-Brand Twin
Audi EA189 PD variants
the identical physical unit fitted to contemporary Audi A3 (8P) and early A4 models, sharing the exact same failure patterns and replacement economics.
FAQ
Volkswagen CAGAFrequently Asked Questions
Question 1How much does a Volkswagen CAGA engine replacement cost-
A reconditioned Volkswagen CAGA engine typically costs between £2,200 and £3,800 for supply-only . Used units start around £900 but carry high risks of undocumented urban wear. Fully rebuilt options range from £3,200 to £5,000. Independent fitting labour adds approximately £520-£715 to the total.
- Used units start around £900 but carry high risks of undocumented urban wear.
- Fully rebuilt options range from £3,200 to £5,000.
- Independent fitting labour adds approximately £520-£715 to the total.
Question 2What is the most common failure with the CAGA engine-
The most frequent documented issue with the Volkswagen CAGA is injector coking and EGR valve clogging. High-pressure PD injectors develop carbon buildup around the copper seals, leading to combustion gas leaks. This is often compounded by DPF blockage from frequent short urban trips, restricting airflow and straining the turbo.
- High-pressure PD injectors develop carbon buildup around the copper seals, leading to combustion gas leaks.
- This is often compounded by DPF blockage from frequent short urban trips, restricting airflow and straining the turbo.
Question 3Which Volkswagen models use the CAGA engine code-
The CAGA is widely fitted across mainstream Volkswagen and Audi models from 2003 to 2008, most notably the Golf Mk5, Passat B6, and Audi A3 (8P). It was a high-volume application before the transition to Common Rail (CR) architecture. Always verify your specific fitment using your registration number before ordering parts.
- It was a high-volume application before the transition to Common Rail (CR) architecture.
- Always verify your specific fitment using your registration number before ordering parts.
Question 4Should I buy a used or reconditioned CAGA engine-
A reconditioned Volkswagen CAGA is strongly recommended over a used unit due to the known risks of inherited "Black Death" injector coking. Used engines carry a 3-6 month warranty and may have undocumented EGR or turbo wear. Reconditioned units include refreshed PD injectors with new copper seals and a 12-24 month warranty.
- Used engines carry a 3-6 month warranty and may have undocumented EGR or turbo wear.
- Reconditioned units include refreshed PD injectors with new copper seals and a 12-24 month warranty.
Question 5How do I know if my car has the CAGA engine-
The CAGA engine code is stamped on a machined pad on the engine block, near the transmission bell housing, and is listed on your V5C registration document. It is commonly confused with earlier 1.9 TDI PD codes or later Common Rail 2.0 TDI variants like CRBC. Fitting the wrong revision can cause ECU mapping mismatches and incompatible injector pump drives.
- It is commonly confused with earlier 1.9 TDI PD codes or later Common Rail 2.0 TDI variants like CRBC.
- Fitting the wrong revision can cause ECU mapping mismatches and incompatible injector pump drives.
Compare Volkswagen CAGA Engine Prices Today
Vetted UK specialists who work on the Volkswagen EA189 PD family every week Minimum 12-month warranty on every reconditioned and rebuilt CAGA Nationwide delivery - supply-only or full supply & fit Get a free, no-obligation comparison for your exact Volkswagen CAGA engine. Our registration lookup confirms your precise fitment before any quotes are sent, ensuring you receive accurate pricing from vetted specialists. With reconditioned CAGA units starting from £2,200, comparing takes two minutes and could save you hundreds on your replacement.
Vetted UK Specialists
Vetted UK specialists for CAGA replacements
Minimum 12-Month Warranty
Minimum 12-month warranty on reconditioned and rebuilt options
Nationwide Delivery
Nationwide delivery plus supply and fit availability
Expert Support
Secure enquiry - no spam. Quotes only from vetted UK engine specialists.
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