Grupo Volkswagen 1.6 and 2.0 8v de gasolina (EA827 and EA113)Engine sensorsLambda sensorMass airflow sensor
Rough idle, mass airflow meter and lambda sensors on the 1.6 and 2.0 8v EA827
Why this rating?
Low severity: A nuisance or wear. It does not immobilise the car or damage other parts.
Frequency occasional: Sensors and probes are the category that recurs most in the small samples on fiches-auto.fr: 2 of 5 on the Golf IV with the 102 hp 1.6, 2 of 7 on the Golf IV with the 2.0 (plus 2 of 7 for the mass airflow meter, one at around 163,000 km), 1 of 20 on the Audi A3 with the 100 hp 1.6 (plus 1 mass airflow meter) and 1 of 4 on the Golf V with the 102 hp 1.6 (temperature sensor at around 120,000 km). Its text on the Octavia I cites lambda sensor and throttle on the 1.6s and lambda sensor on the 2.0.[1][2][3][4]
Symptoms
Why it happens
Dirty throttle or sensor disturbing the idle, according to the general fiches-auto.fr text on the Octavia I 1.6s.[1]
Mass airflow meter faults: 2 of 7 owner accounts for the Golf IV with the 2.0 and 1 of 20 for the Audi A3 with the 100 hp 1.6.[2][3]
Faulty lambda sensors, cited on the 1.6s and the 2.0 of the Octavia I, and sensors in 2 of 5 Golf IV owner accounts with the 102 hp 1.6.[1][3]
If it is not repaired: A rough idle and wrong readings from the lambda sensors can worsen emissions: the owner of the Audi A3 failed the ITV emissions test at 235,000 km.[2]
Affected cars and years
The fiches-auto.fr samples cover the 75 hp 1.6 (Octavia I), 100 hp (Audi A3), 102 hp (Golf IV and Golf V) and the 115 hp 2.0 (Golf IV and Octavia I).[1][2][3][4]
| Version | Years | Codes |
|---|---|---|
| 1.6 8v 75 hp (ABU, AEA, AEE, 1F, ALM; 1992-2001) | 1992–2001 | ABUAEAAEE1FALM |
| 1.6 8v 100-101 hp (AEK, AFT, ADP, AEH, AKL, APF, BAH; 1994-2008) | 1994–2008 | AEKAFTAKSADPAHLANAARMAEHAKLAPFAURAWHBAH |
| 1.6 8v 102 hp (AVU, BFQ, ALZ, BGU, BSE, BSF, CCSA; 2000-2013) | 2000–2013 | AVUBFQAYDBFSALZBGUBSEBSFCCSACMXA |
| 2.0 8v 115-120 hp (2E, ADY, APK, AQY, AZJ and others; 1991-2010) | 1991–2010 | 2EABAADYAGGAEGAPKAQYAZGAZHAZJAZLAZMBBXATMAUZASUAVAAAC |
Models fitted with the affected versions
Audi
- Audi A3 I1996–2003
- Audi A3 II2003–2010
- Audi A4 B51994–2001
Seat
- Seat Alhambra I1996–2007
- Seat León I1999–2005
- Seat León II2005–2012
- Seat Toledo II1999–2000
- Seat Toledo III2004–2009
- Seat Altea2004–2010
- Seat Exeo2009–2013
- Seat Ibiza II1993–2002
- Seat Córdoba I1993–2002
- Seat Córdoba II2002–2008
- Seat Ibiza III2002–2008
Škoda
- Škoda Octavia I1996–2004
- Škoda Octavia II2004–2013
Volkswagen
- Volkswagen Golf III1992–1997
- Volkswagen Golf IV1997–2003
- Volkswagen Bora1998–2005
- Volkswagen Passat B51996–2005
- Volkswagen Polo III1995–2001
- Volkswagen Beetle I1998–2010
- Volkswagen Sharan I1995–2007
- Volkswagen Transporter T41990–2003
- Volkswagen Golf V2004–2008
- Volkswagen Golf Plus2005–2010
- Volkswagen Jetta V2005–2010
- Volkswagen Touran I2003–2010
- Volkswagen Caddy III2004–2010
How much it costs to repair
Includes: Throttle cleaning or replacement of the lambda sensor or mass airflow meter, including labour.[1]
The sources do not publish prices for these parts on these engines.
Prices in Spain, including VAT. A workshop hour costs on average €38–66 at independent garages and €77–134 at dealerships in Spain, depending on the region and the brand. How we calculate costs
How to check for it before buying a used car
- With the engine warm, check that the idle is steady and free of vibration, and ask whether the car passed the ITV without emissions problems.
- If you can, plug in a fault reader to see whether any lambda or mass airflow sensor codes are stored.
Parts needed
The part or kit that fixes this fault, according to the sources.
Affiliate links: if you buy from these shops, MotorFiable may receive a commission at no cost to you. Check compatibility against the registration plate or VIN before ordering. Affiliate links
How to prevent it
- Clean the throttle if the idle starts to become rough: fiches-auto.fr links the idle to a dirty throttle or sensor.[1]
Recalls, campaigns and claims
As of 2 November 2026, we have no record of recalls, campaigns or extended manufacturer warranties for this fault. Check with an official dealer using the chassis (VIN) number: they will tell you whether the car has any outstanding campaign.
What owners say
Frequently asked questions
Why is the idle unstable on my Golf IV 1.6 8v?
Fiches-auto.fr identifies a dirty throttle or sensor as the cause of the rough idle on the Octavia I 1.6s, and several Golf IV and Audi A3 owner accounts describe lambda and mass airflow sensor faults. A diagnosis with a fault reader lets you tell them apart.[1][2][3]
Can a sensor fault make me fail the ITV?
An owner of an Audi A3 with the 100 hp 1.6 reports failing the emissions test at 235,000 km with an unstable idle. It is a single experience, but it shows that sensors and the mixture should be checked before the inspection.[2]
What can you do now?
We will put you in touch with a partner only if you authorise it in the form.
Other 1.6 and 2.0 8v EA827 faults
- High severityFrequency: OccasionalTimingTiming belt and water pumpThese engines drive the camshaft with a toothed belt and, on the EA113 evolution, that same belt also drives the water pump. A seized pump or an overdue belt can leave you stranded and, if the belt snaps, can damage the engine.Repair (garage): €400–€700
- Medium severityFrequency: OccasionalCoolingCoolant leaks: flange and water pumpCoolant leaks from the cylinder head flange and the water pump are reported on the 8-valve 1.6 and 2.0. It is not a widespread fault, but Motor16 warns that a faulty pump makes the engine overheat without warning: check the level and look for traces of fluid.
- Medium severityFrequency: OccasionalLubricationHigh oil consumptionGebrauchtwagenberater reports high oil consumption on the 2.0 of the Golf IV and relatively high consumption on the petrol León I, without specifying the engine. Fiches-auto.fr adds a case on the 102 hp 1.6. The sources do not identify the responsible part.
- High severityFrequency: RareCylinder head and blockHead gasketFiches-auto.fr cites the head gasket among the problems of the 115 hp 2.0 of the Octavia I and in 2 of 5 Golf IV owner accounts with the 102 hp 1.6. These are very small samples: if there is coolant loss or overheating, it is worth ruling the gasket out.
- Low severityFrequency: RareIgnitionIgnition faults: coils and spark plugsFiches-auto.fr warns of ignition problems on the 1.6s of the Octavia I, and the ADAC, according to Gebrauchtwagenberater, concentrates Golf IV faults on the distributor and coil. There are few documented cases specific to these engines.
More faults with the engine sensors on other engines and cars
- High severityFrequency: Occasional2.0 DTI and 2.2 DTIVP44 injection pump and air mass meter failureGerman Wikipedia documents recurring failures of the Bosch VP44 injection pump and the air mass meter in the early years of this engine. An owner testimony for this engine describes the pump being replaced at 192,500 km, at a cost the owner calls «prohibitive».
- Medium severityFrequency: Common2.0 TDIClogged particulate filter or faulty pressure sensorThe 2.0 TDI's particulate filter clogs if the car mostly makes short journeys, because it never gets to regenerate; sometimes the fault is just the differential pressure sensor. Cleaning it costs around €200 and replacing it, €800 to €3,000.Repair (garage): €800–€3,000
- Medium severityFrequency: Common1.4 and 1.6 8vCrankshaft position sensor failure (TDC sensor)The crankshaft position sensor (capteur PMH, or TDC sensor) appears repeatedly in the reliability sources for the Clio II, the Kangoo I and the Dacia Logan I with this engine, with hard cold starting or stalling as the main symptoms. It is a cheap part, but the failure can leave you stranded.
- Medium severityFrequency: Common1.2 8vCrankshaft sensor (TDC) and other engine sensor failureThe sensors, including the crankshaft TDC pickup, are the category that adds the most cases in the entries for the 60 hp 1.2 8v: 17 out of 74 opinions on the Clio II (23%) and 19 out of 80 on the Twingo I (24%). The entries do not detail how the fault shows itself.
- Medium severityFrequency: Common1.4 and 1.6 16vCrankshaft position sensor failureThe crankshaft position sensor (capteur PMH) appears repeatedly in the reliability sources for almost every generation with this engine, with hard cold starting, stalling or the car cutting out unexpectedly. It is a cheap part, but the failure can leave you stranded.
- Medium severityFrequency: OccasionalBMW B57AdBlue/SCR system fault (NOx sensors, heater and pump)A specialist garage considers the B57's AdBlue/SCR system the fault that most often leaves cars immobilised: a NOx sensor, the quality sensor, the heater or the pump usually fails, and topping up the tank rarely stops the countdown of remaining starts.
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Sources
Every fact on this page links to its source. If you find an error, let us know.
- Fiabilité Skoda Octavia (1997-2004) - pannes moteur, boîte...Fiches-auto.fr · Owners' forum · consulted 2 November 2026 · in French
- Fiabilité Audi A3 (1996-2003) - pannes moteur, boîte...Fiches-auto.fr · Owners' forum · consulted 2 November 2026 · in French
- Fiabilité Volkswagen Golf IV - pannes moteur, boîte, électronique...Fiches-auto.fr · Owners' forum · consulted 2 November 2026 · in French
- Fiabilité Volkswagen Golf V - pannes moteur, boîte, électronique...Fiches-auto.fr · Owners' forum · consulted 2 November 2026 · in French