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1 2nd December 05:54
grassy knollington
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Posts: 1
Default Replacing Focus Battery and ECU


Just rep[l;aced battery, local ford dealer sold me a universal one, not
the original, and the flippin battery strap I just bought (so and so's
said I had to but belt and bracket and bolt for 11) is too long for the
generic battery (even the shorter white one...)

Is there a precise process to get the ECU to recalibrate

Haynes says Idle till warm
1200 rpm 2 minutes
then 5 miles driving

just done that and its running terribly, really lumpy idle, and
accelerating, engine warning light starts flashing and then goes out the
comes back on again then goes out etc.

Any ideas anyone

Zetec 1.8 2000

(they knocked another 200 off for the incorrect advert...)
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2 2nd December 05:55
tim
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Posts: 1
Default Replacing Focus Battery and ECU


Have you knocked the wire off the air mass meter during battery change?

Running should not be anywhere near this poor during learning, and certainly
not with a flashing MIL lamp.

Tim..
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3 2nd December 05:55
grassy knollington
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Posts: 1
Default Replacing Focus Battery and ECU


yeah, thought it might be something else problem with the car

It was running rough and missing (sort of has power then chokes up then
has power then chokes up etc. and missing at low revs) before I changed
battery, so it obviously wasnt the battery... thought it might be.

its still doing the same thing after the battery

It starts OK.

I was wondering if it was the last tank full of gas I put in... It started
after that...

can the self test mode on odometer show fault codes?

This list looks like it might be different to my ECU which does go into
test mode.

http://www.focushacks.com/index.php?modid=37
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4 2nd December 05:57
grassy knollington
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Posts: 1
Default Replacing Focus Battery and ECU


Checked air mass meter connections and they are OK.

Waiting for a TEKMATE http://www.tekmatetools.com/index.html
from http://www.gendan.co.uk

That should shed a bit of light on it...
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