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View Full Version : disconnecting the ecu without disconnecting the batter?


anton2k3
17-12-2005, 11:43 PM
Hi there,

I have just done this by accident, and installed a new chip. THe car now doesnt start. Would it be the chip mapping wrong, or is it something i did by disconnecting the ecu without dicsonnecting the battery?

Cheers,

Anton

khj100
17-12-2005, 11:47 PM
Just disconnecting the ECU with the battery connected won't cause any problems at all...

In fact, you can disconnect the ECU with the ignition on and it's still fine (in fact, this is the way you've got to do it to leave the ECU 'unlocked')

I'd suspect it's something else causing it not to start now... Either something to do with the chip you added (or maybe damaged caused whilst doing it?) or some other coincidental problem...

anton2k3
17-12-2005, 11:49 PM
from what i can tell its not sparking. Def not damaged the chip, been super careful. What could be causing this?

anton2k3
17-12-2005, 11:54 PM
also realised fuel pumps not purging when turn ignition on.

Baz F
17-12-2005, 11:54 PM
Could be the programming on the chip? the car litraly RIP the ECU out the car when ever and cause NO damage to it. Id make sure your "new chip" is fine first.

anton2k3
17-12-2005, 11:57 PM
hmzzz....what an asshole, nothing goes smoothly on this car! was looking forward to experiencing some power gains.

anton2k3
18-12-2005, 12:02 AM
Also, does it make any difference at to which way round you put the chip in ?

Baz F
18-12-2005, 12:06 AM
Also, does it make any difference at to which way round you put the chip in ?
lol could well do..might be worth swaping it round before you do anything rash (like beating it with a shoe)
iv always been under the asumption that they only fitted one way?

anton2k3
18-12-2005, 12:08 AM
lol, this one fits both ways! really hope thats the prob! feel like a retard if it is tho!

Baz F
18-12-2005, 12:13 AM
lol, this one fits both ways! really hope thats the prob! feel like a retard if it is tho!
ahhh you may feel like a retard...but your car will be better for it...and your have a big silly grinn on your face;)
if it is hope your not damaged it! doubt it tho. flick it round tomorrow and give her a flick of the key then come back and let us knwo so we can have a giggle andgive you a pat on the back!
other wise you can come back and thump me and have a sulk in the corner and ill get you a internet beer =S

anton2k3
18-12-2005, 12:18 AM
haha....its a deal. If it doesnt work...chips going back!

Baz F
18-12-2005, 12:32 AM
haha....its a deal. If it doesnt work...chips going back!
sure thing ;) good luck