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Old 09-05-2009   #1
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When I start the Cinq, smoke comes out.

When I start the Cinq, smoke comes out. The colour of the smoke is like greyish whiteish. Cannot really tell the colour. The smell is like of oil and some petrol of the same time. The car has oil. This happens when I start it in the morning and when its cool. The temperature still rises till next bar above 90 and the fan kicks in, not for long. The system is bled. The water pump has been changed and even the coolant. Gave it 50/50 Paraful ready mixed. What is the problem now?

Thanks for the help.
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Old 09-05-2009   #2
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Re: When I start the Cinq, smoke comes out.

Are you losing any fluids?

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Old 09-05-2009   #3
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Re: When I start the Cinq, smoke comes out.

If not loosing fluids, check the breather: is it blocked, do fumes come out of it?
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Old 09-05-2009   #4
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Re: When I start the Cinq, smoke comes out.

No, no fluids are being lost. I see nothing on the floor in the morning. But the fuel comsuption has increased. 192M with 32Litres of petrol. Where is the breather? One thing I forgot to mention is that I have two noises. One is a scream, it increased when I rev the car and the other one is a rattle noise done when its idle until 1300 rpm. These noises are coming from where the timing belt is.
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Old 09-05-2009   #5
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Re: When I start the Cinq, smoke comes out.

I'd remove the air filter, housing, same reason '99 is addressing.

Symptom is typical of Citroen 2cv when parked on camber, oil seeps through rings - smoke on starting.
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Old 09-05-2009   #6
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Re: When I start the Cinq, smoke comes out.

The breather comes out of the cam cover.

The rattle is likely to be valve clearances. The scream may be alternator or cam belt tensioner -- only real way to find out is to either disconnect the alternator belt or use a stethescope (or a long screwdriver, blunt end to ear) to find out.
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Old 09-05-2009   #7
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Re: When I start the Cinq, smoke comes out.

So what should I do to stop this? The gasket?
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Old 09-05-2009   #8
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Re: When I start the Cinq, smoke comes out.

Stop what?

If the breather is blocked, soak it overnight in petrol (etc.) wash it out and re-attach.

If it's fuming, do dry and wet compression test (to see whether the valves or bore wear are responsible).

For the rattle, check the valve clearances and re-shim as appropriate.

For the screech, replace alternator or bearings or replace timing belt and tensioner (depending on what makes the noise).
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Old 09-05-2009   #9
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Re: When I start the Cinq, smoke comes out.

Understood. Going to check the breather now. The rest is all for the mechanic to tell to look out and replace.
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Old 09-05-2009   #10
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Re: When I start the Cinq, smoke comes out.

The breather may clog because of the duty cycle of the engine, my roadster needs the breather cleaned every 10k miles other wise it uses a lot of oil been doing it for 80k miles.

Cruising for several hours at indicated 75mph.

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Old 09-05-2009   #11
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Re: When I start the Cinq, smoke comes out.

Having said all that, the OP is not losing oil, so it can't be oil thats burning.

It might be a temp sensor sending too much fuel on start up, partcularly as he has noted an increase in fuel consumption.

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Old 09-05-2009   #12
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Re: When I start the Cinq, smoke comes out.

could be coolant or air temp sensor
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Old 09-05-2009   #13
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Re: When I start the Cinq, smoke comes out.

The breather is fine and clean. I change the temp sensor about 1 month ago. Nothing happened when I changed it. Do not know why it is doing this. People are telling me that its the head gasket and cylinder head...
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Old 09-05-2009   #14
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Re: When I start the Cinq, smoke comes out.

Well, often white smoke does indicate head gasket. Did you get a compression test done?
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Old 09-05-2009   #15
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Re: When I start the Cinq, smoke comes out.

If the head gasket has gone then you will be losing water, which you aren't, unless its gone between cylinders, but that would only give a lumpy idle with no loss of fluids.

Which temp sensor did you change?

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