[phpBB Debug] PHP Warning: in file [ROOT]/ext/cleantalk/antispam/model/CleantalkSFW.php on line 184: Undefined array key 1 Lambda Wires - UK-POLOS.NET - THE VW Polo Forum
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How many wires should a polo gt lambda sensor have? Ive just bought one and it has 4, (sensor, earth, heater, heater) but the one on my car has three wires, which is correct? 3 or 4?