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MotorFiable

2.2 Ecotec gasolina vs 1.2 8v: which engine is more reliable?

According to our risk index, the 1.2 8v carries less risk than the 2.2 Ecotec gasolina: 36/100 (moderate risk) versus 50/100 (high risk). The 2.2 Ecotec gasolina has 1 documented serious fault, the main one being «Stretched timing chain and seized tensioner on the 2.2 Ecotec»; the 1.2 8v has 1 documented serious fault, the main one being «Damaged cylinder head gasket (coolant loss and overheating)».

Risk index

2.2 Ecotec gasolina

50

High risk · 1 serious fault

Risk index

1.2 8v

36

Moderate risk · 1 serious fault

Lower risk

The index (0–100) weights the severity and frequency of the three most serious documented faults. How it is calculated

17 sourcesHow we work

Is the 2.2 Ecotec gasolina reliable?

This is the 2.2 petrol engine producing 147 to 155 hp in the Astra G, Zafira, Vectra and Signum. Its documented weak point is the timing chain, which stretches and can end in serious engine damage; the 2.2 Direct adds a high-pressure pump prone to failure.[1][2][3]

See the 2 of the 2.2 Ecotec gasolina faults

Is the 1.2 8v reliable?

The 1.2 8v (D7F) is a simple naturally aspirated engine of 54 to 60 hp, with a timing belt, which Renault fitted from 1996 to the Twingo, Clio II and Kangoo. No catastrophic failures are documented; what owner reviews mention most often are the sensors, the cylinder head gasket, the coil packs and the occasional oil drip.[4][5][6]

See the 5 of the 1.2 8v faults

Side-by-side comparison

Comparison of 2.2 Ecotec gasolina and 1.2 8v
2.2 Ecotec gasolina1.2 8v
Technical data
TypeEngineEngine
FuelPetrolPetrol
Displacement2,198 cm³1,149 cm³
TimingChainTiming belt (dry)
Power147–155 hp54–60 hp
Production2000–2010[7][8][9][10]1996–2012[11][12][13][14]
Reliability
Risk index (what is it?)50High risk36Moderate risk
Documented faults25
Of high or critical severity11
Worst severityCritical severityHigh severity
Main faults
  1. Critical severity: Stretched timing chain and seized tensioner on the 2.2 Ecotec
  2. Medium severity: Faulty high-pressure pump or pressure regulator (P1191) on the 2.2 Direct
  1. High severity: Damaged cylinder head gasket (coolant loss and overheating)
  2. Medium severity: Crankshaft sensor (TDC) and other engine sensor failure
  3. Medium severity: Ignition faults: coil packs, ignition harness and humidity
Most expensive documented repairNo reliable dataNo reliable data
Which versions to buy
BuyRecommended versionsNoneNone
With cautionVersions to be cautious about
AvoidVersions to avoidNoneNone

Severity of each fault: green, low; amber, medium; red, high; dark red, critical. How we rate them

Cars that each one is fitted to

Other comparisons

With the 2.2 Ecotec gasolina

With the 1.2 8v

Compare other engines

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Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. PROTIPS febi 33044: tensor de cadena para los motores Opel 2.2 de gasolina (Z22YH y Z22SE)febi bilstein (Ferdinand Bilstein GmbH) · Technical documentation · published January 2019 · consulted 2 November 2026 · in German
  2. Opel Vectra C: ProblemeGebrauchtwagenberater.de · Motoring press · consulted 2 November 2026 · in German
  3. Opel Zafira B 2005-2014: Probleme und SchwachstellenGebrauchtwagenberater.de · Motoring press · consulted 2 November 2026 · in German
  4. Fiabilité Renault Clio 2 : pannes et avis des propriétairesFiches-auto.fr · Motoring press · consulted 2 November 2026 · in French
  5. Fiabilité Renault Twingo 1993-2006 : pannes et avis des propriétairesFiches-auto.fr · Motoring press · consulted 2 November 2026 · in French
  6. Fiabilité Renault Twingo 2 (2007-2014) : pannes et avis des propriétairesFiches-auto.fr · Motoring press · consulted 2 November 2026 · in French
  7. Opel Astra GWikipedia (de) · Other source · consulted 2 November 2026 · in German
  8. Opel Zafira AWikipedia (de) · Other source · consulted 2 November 2026 · in German
  9. Opel Vectra CWikipedia (de) · Other source · consulted 2 November 2026 · in German
  10. Opel Zafira BWikipedia (de) · Other source · consulted 2 November 2026 · in German
  11. Moteur D (Renault)Wikipédia (francés) · Other source · consulted 2 November 2026 · in French
  12. Renault Clio IIWikipedia (alemán) · Other source · consulted 2 November 2026 · in German
  13. Renault TwingoWikipedia (alemán) · Other source · consulted 2 November 2026 · in German
  14. Renault Twingo IWikipedia (alemán) · Other source · consulted 2 November 2026 · in German
  15. Fiabilité Opel Zafira (1999-2005): pannes par moteurFiches-auto.fr · Owners' forum · consulted 2 November 2026 · in French
  16. Blitz-Info: Opel Signum 2.2 L, año 2003-2004, motor Z22YH (testigo del motor encendido)Hella · Technical documentation · published 31 March 2006 · consulted 2 November 2026 · in German
  17. Renault Twingo (ab 1993): Schwachstellen laut TÜV-AuswertungAUTO BILD · Motoring press · published February 2002 · consulted 2 November 2026 · in German