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Is it dangerous to drive a vauxhall zafira if emission light comes on?
Wiki User
∙ 14y ago
Depends on what is meant by "dangerous".
The warning light comes on when the engine management computer detects a fault with one of the many sensors that are on modern fuel-injected engines.
Some of these sensors play a vital role in keeping the engine running, others do not.
The warning light is like "pain". Pain in ones big toe is not "dangerous" but the same pain in the chest is. One is an ingrowing toe-nail, the other is a Heart-attack.
In the worst case the crank-shaft position sensor might be giving a false reading and cause the engine to cut out at 70 on the motorway, in the fast lane, in heavy traffic, and cause an accident (the Heart-attack) which could be dangerous. On the other hand it might be that the "air temp sensor" is reading -150oc which is clearly never going to be true, so puts the light on (an growing toe-nail). At worst this will cause very slight loss of power and perhaps slightly higher fuel consumption.
To answer the question briefly "It is a warning light." it is warning you of a fault. Ignore it at your own peril.
Wiki User
∙ 14y ago
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