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3.0 V6 cold start issue (Read 2827 times)
Kevin Wood
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Alton, Hampshire
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Drives: 3.2 MV6 (LPG), Westfield
Re: 3.0 V6 cold start issue
Reply #15 - 01. Apr 2011 at 14:40
 
Excellent. Live data doesn't look too bad except that the Idle BLM integrator for bank 2 looks a little low. Both shouldn't be too far from the central value of 127. That said, the lambda sensors are clearly working fine and in closed loop.

MAF output looks a little high at idle in some places, but it's OK in others, so probably not an issue. Undecided

Kevin
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Peter13
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Budapest, Hunary
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Drives: Omega Estate 3.0 MV6 1998
Re: 3.0 V6 cold start issue
Reply #16 - 03. Apr 2011 at 16:59
 
Thanks for looking at!

quick news:
Yesterday I removed the inlet to check the ignition system's status. I have found some sicknesses:
-there were some oil in the inlet pipes (but the engine does not consume much oil, something around 1-1,5liters/10k km)

-the pipe smaller pipe going to the fuel pressure valve was leaking

-the spark leads were cracked at the spark plug side

-I have measured the compression, each cylinder produced between 11 and 13 bar.

-I smell coolant at every stop, coming from under the hood, but it was not the coolant bridge that fails. I found the pipe coming from the thermostat towards the cooler. It wasn't leaking for sure, but had a bad wear at the engine side, caused by the fixing.

That's all news from my omega this weekend. Next week the leaking pipes, sparkplugs and leads will be replaced. We will see...

Any comments are welcome.


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Peter13
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Budapest, Hunary
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Drives: Omega Estate 3.0 MV6 1998
Re: 3.0 V6 cold start issue
Reply #17 - 06. Apr 2011 at 05:56
 
Thank you for all helping me out!

The cold start seems solved now, or at least I hope it is not starting fine only because of the better weather rather than the new ignition parts.
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