2002 Opel Astra Emissions warning light

What is the reason the light is coming on?

Its the emissions light that is coming on. I brought the car to my local dealer 3 times now. First time they said it was misfiring Second time they said that something was sticking on the car so they changed the Oil filter , the oil, a spark plug and put a seal on a plug. Before all this they said the head Gasket could be gone. I had a friend check the car and he said its not showing signs of the gasket being gone ( its not over heating its not losing water. Its driving normal) I really dont know what to do...


PS: u have to forgive me I dont know a whole lot about cars. But I am learning

Okay Tony, lets work together. I see that there is a problem with the emissions and it is with an OBDII car so the faults can be identified with a code scanner, do you know someone with a code scanner or can you justify the purchase price of this equipment? It might be about 100 US dollars or so. Keep in touch mate and lets get your car fixed.

[quote:f7f188acac="tonybarry16"]Electrical problem
2002 Opel Astra 4 cyl Two Wheel Drive Manual 66000 miles
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Engine light has been turned off by opel dealer 3 times and light keep coming on. They changed the oil, oil filter, plugs and air filter but keep coming on. what will I do next[/quote:f7f188acac]

Looks like either oxygen sensor or catalyst!

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