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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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Smokey Start (grey smoke), lumpy/jerky until warm. HELP!Views : 655 Replies : 2Users Viewing This Thread : |
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Jan 15th, 2019, 10:17 | #1 |
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Last Online: Oct 6th, 2022 14:00
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Location: Brighton
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Smokey Start (grey smoke), lumpy/jerky until warm. HELP!
Hi all,
I'm really hoping someone here can help with my 2008 S40 2.0d. When the car is left overnight, usually 12+ hours, next start is very lumpy and smokey. Grey smoke, smells like unburnt diesel, for around 30 seconds. Smoke will stop but lumpy idle will remain for a few minutes. Partial throttle (5%-10%) will result in a lot of jerkiness, this will stop if you apply more throttle, or until it's warmed up. Garage found a leak on the injector leak back pipes, so all replaced. Still the same. I'm convinced it's injectors rather than glow plugs as it always starts on first or second crank even if cold outside. They've quoted £150 just to look at the glow plugs. Car is fine when warmed up, pulls well, no lumpiness, although quite loud 'diesel knock'. Anyone have any thoughts? Would be so so so grateful. Thank you! |
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2.0d, lumpy, s40, smoke |
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