Starts and runs well when cold but when warm it stalls when you stop at traffic lights. I've seen this mentioned in relation to a few cars what is the likely cause.
- posted
14 years ago
Vectra stalls at lights
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- posted
14 years ago
not much info there, but a possibility might be a faulty inlet air control valve.
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- posted
14 years ago
Why specifically at traffic lights? Do you mean that it stops when it has been left to idle for a while, in which case first things to check are the camshaft and crankshaft sensors.
Or did you just mean that it won't idle at all?
Chris
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- posted
14 years ago
first thing to check for is an air leak, spray round all the manifolds and intake system with the engine running using a can of carb cleaner, any change in speed may show an air leak.
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14 years ago
I had exactly the same symptoms a couple of years ago. After trying many things it was simply to remove the breather pipes and clean them out. Then, most importantly, ensure that the connection for the small breather pipe, to the throttle valve, is cleaned carefully with a piece of wire. On my Vectra this connector was blocked and clearing this small orifice cured the stalling when hot.
Good luck Lenny