Advice on cleaning the ecu contacts please - Renault Forums :: Independent Renault forum

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post #1 of 2 (permalink) Old 19th March 2009 Thread Starter
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Advice on cleaning the ecu contacts please

im planning on cleaning the ecu contacts tomorrow in hope it solves the many problems ive had with my 2001 16v 1.8 laguna,

is it safe to disconnect the battery? when i done that with my old megane the central locking went.

is it easy to get at the ecu contacts? i believe its located under the battery tray.

incedently the problem ive had with the laguna is constantly going into limp mode , sometimes really high revs , ive replaced the parts the garage computer said was at fault , map sensor and throttle pedal sensor , but the problem still exists.

also alot of the time when i depress the clutch it 'screams' at me

anyway advice and tips on ecu cleaning most welcome
Currently in rino100's garage:
1996 megane
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post #2 of 2 (permalink) Old 20th March 2009
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I really wouldn't think that cleaning your ECU contacts will make any difference (personally I think it sounds like you're clutching at straws ... although if you do decided to go through with it use some electrical contact cleaner) ...

however ... because your car is going into limp mode, the ECU has decided that it needs to protect itself ... because you've already indicated that the MAP sensor was replaced (and therefore I assume you've got a turbo diesel), that suggests to me that your turbo is overboosting for some reason ...

Have a read of this ... ok it's for an audi but the principles are the same ...
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advice , cleaning , contacts , ecu

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