xud help

[Bananalad]

The car is idling rough, white smoke, thought the problem was injectors but have different ones in now and the problem is always with the 4th one (far right) no matter if i put a working one in. Any ideas? Need this sorted asap..

[Dan!]

Does it idle okay (albeit on 3 cylinders...) when you take the fourth injector out then? Smoke stop? If so then you either have a problem with the distributor head on the pump, injector seat (both unlikely) or some kind of cylinder/hg problem which is causing low compression.

Is it defiantly white smoke and not steam?

[Bananalad]

It idles bad, i loosen the nut on the top of the first 3 injectors and it gets worse, when i loosen the nut on the last one there is no difference.. Someone mentioned valve clearances to me?

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Also i dont think its hg..

[Joe]

i would say distributer head on the pump

[Bananalad]

Just read this thread from flynn.. He had the same problem.. Only mine is worse than his in the video

http://www.frenchcarforum.co.uk/forum/vi...=4&t=40780

[londondan86]

Get a compression test done and go from there mate

[Bananalad]

Thanks fellas.. So if its low on compression whats the damage on my pockets? Or will i not think about that till after the test?

[Bananalad]

Got someone to have a look he said the valves are too tight, dirt got into the engine

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Whats the cheapest way out of this if dirt had got in and f*cked everything up?

[Bananalad]

ran with no air filter for a few months.. Fixable or new engine time?

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ran with no air filter for a few months.. Fixable or new engine time?

[Dave]

If its not fuel related, then it could be something gashed the bores slightly causing drop in compression, does the misfire go away when you rev the engine. Does you coolant pressurise really badly.

[Bananalad]

yeah dave the misfire goes away but still a bit of white smoke, the car doesn't feel down on power either, nope coolant is all good!

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yeah dave the misfire goes away but still a bit of white smoke, the car doesn't feel down on power either, nope coolant is all good!

[Dave]

I wouldnt worry about it if your not pressurising coolant lol, if it was head gasket then you would be pressurising coolant. If its a scored bore then f*ck all you can do unless you wanna pull the head, pull the rods/pistons and re-hone. It may not even be a drop in compression though, it could just be a really shitty coincidence with the injectors, or a leaky fireseal, or even a leaky injection line, or maybe even a bit of shit worked its way through the pump to the distributor head or maybe even past that to the delivery valve.... and then all this could be happening to each of the injectors that you test with a little bit more shit working its way through.... endless possibilities.......

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Does this stop happening after a long old drive by any chance?

[Bananalad]

it used to clear up after a drive now its not so i have to sort it ha, its very bad on idle now, had a fella over to look at it, he reckons because ive been running with no air filter this last month or so its sucked up dirt and its got through the engine, he checked the valve clearences and said there too tight.. Does that sound right?

[Dave]

erm if anything they should be slightly looser, but being tight could explain a misfire as one of your valves on no.1 cylinder may not be closing properly. Get the clearances sorted it may fix the issue.

[Bananalad]

thanks dave ill let you know how it goes :-) or doesn't go ha

[sweeney1987]

out of interest, how did he check clearences with head still on?

[Ha11]

Rocker cover off? Feeler gauges in...

[Bananalad]

yeah thats right.. Checking compression now..

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what should it read in bar?

[Bananalad]

Its not compression, rechecked valve clearances and there ok too

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Next is getting the other set of injectors i have checked then the pump checked