Problems with the engine sensors on Opel: affected models and engines
In 8 models from Opel there are 3 documented faults with the engine sensors. The most important: VP44 injection pump and air mass meter failure, faulty air flow meter on the 1.9 JTD / Multijet (loss of power) and faulty air flow meter on the BMW M57 (loss of power).
Documented faults, from most to least important
Severity × frequency. Below each one, the Opel models it appears in.
In Astra G, Omega B, Signum, Vectra B, Vectra C and Zafira A
In Astra H, Signum, Vectra C and Zafira B
In Omega B
By Opel model
Open yours to see only the faults that affect it, by engine and by year.
Engines and gearboxes involved
Frequently asked questions
What faults with the engine sensors do Opel cars have?
In 8 models from Opel there are 3 documented faults with the engine sensors. The most important: VP44 injection pump and air mass meter failure, faulty air flow meter on the 1.9 JTD / Multijet (loss of power) and faulty air flow meter on the BMW M57 (loss of power). Each fault has its own page with the affected years and versions, the symptoms and the repair cost.
Which Opel models have the most problems with the engine sensors?
Opel Omega B (2 faults), Opel Vectra C (2 faults), Opel Signum (2 faults) and Opel Vectra B (1 fault).
Which Opel engines have faults with the engine sensors?
1.9 JTD/Multijet and 2.4 JTD (1 fault), 2.0 DTI and 2.2 DTI (1 fault) and BMW M57 (1 fault).