I've spent some time comparing the log with the newest one i had from
Matthew (2006), and the only thing that i can spot that looks strange
are that the injector duty cycle readings are all 0
There should be a reading in there, i can't compare the reading directly
with the log i have as that was before we fitted the big injectors but
it should be a few percent.
The ignition timing map was fairly constant at low engine speeds and
loads so it's possible that would stay at 13.9 for the run you did for
the log.
Hmm, Gve (Gamma volumetric efficiency) seems to be stuck at 255, this is
looked up from a table for the fuelling.
It doesn't sound right.
Can you download the current map and send it to me ?
And it would be worth trying to reprogram it with the last map you have
saved on the PC
Jim
On 08/11/2015 12:18, Robert Craig wrote:
Lots of info there to be looking at. Yes, happy that it's not head gasket.
Looks like I may have been getting ahead of myself instead of looking at basic
data. I did a short log. So I'll check it when I get a chance. It's on my old
laptop. I'll email it to you. If I remember correctly the ignition was at 13
degrees but didn't change.
Thanks again guys for the guidance, much appreciated.
Bob
Sent from my iPad
On 8 Nov 2015, at 09:00, Jim Hearne <j...@quantums.info> wrote:
if all 4 new plugs were sooty then they all must have been firing ,other wise
they would be clean and wet.
If the EDIS module was running in limit home mode (not getting a timing signal
from Ecu) then it runs fixed timing (10 degrees i think) but it should still
idle.
Did the fuel rail have the pressure measuring valve on it Matthew ?, some
Zetec's did and some didn't.
Jim
On 08/11/2015 08:06, Matthew Wastell wrote:
Faulty lambda should not cause that I think, the correction is maximum 20% even
so it would be trying to lean it at that point anyway, not richen it.
Will rack my brains later. However do the map reload anyway in the mean time.
I'm erring towards ignition if not the ecu.
M
On 7 Nov 2015, at 22:31, Bob Craig <bobbycrai...@tiscali.co.uk> wrote:
Latest update.
Compressions are all equal at 115psi which I'm assuming is ok with the
decompression plate. When I took the new plugs out to do the test they were
very sooted up after running the engine whil watching the Megatune. Megatune
was showing AFR of around 10, so very rich. Could a faulty lambda cause this.
I've read how to test the lambda out of the car using a blow torch and
voltmeter but it seems the 5 wire wide band ones are harder to test - anyone
tried it ?
It won't boost up to positive, just goes to 0 then backfires. Turbo issue maybe?
Bob
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