Need help - F355 ECU down - Ferrari Life
 
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post #1 of 16 Old 08-11-2009, 11:29 PM Thread Starter
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Need help - F355 ECU down

My F355 broke down suddenly and when i restart the engine the slow down signal starts flicking permanently. I had sent the car to Naza Italia (Ferrari Distributor of Malaysia) to find out what's wrong with the car and i was told the ECU is already faulty and it has to be replaced. It cost USD 3,200.00 to replace that ECU excluding labor fees. Any suggestion where i can source for the part cheaper? I was told the part number is #168600 Bosch Motronic 5.2. I would consider USED parts as well. Please help Thanks Eugin
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post #2 of 16 Old 08-12-2009, 02:46 AM
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Quote:
Originally Posted by f355spider View Post
My F355 broke down suddenly and when i restart the engine the slow down signal starts flicking permanently. I had sent the car to Naza Italia (Ferrari Distributor of Malaysia) to find out what's wrong with the car and i was told the ECU is already faulty and it has to be replaced. It cost USD 3,200.00 to replace that ECU excluding labor fees. Any suggestion where i can source for the part cheaper? I was told the part number is #168600 Bosch Motronic 5.2. I would consider USED parts as well. Please help Thanks Eugin
I would contact both Eurospares in the UK and T. Rutlands in the US. Both should be able to supply you a used ECU.
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post #3 of 16 Old 08-12-2009, 04:12 AM
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Heres one for 500 mate, jump all over it http://cgi.ebay.co.uk/Ferrari-F355-3...d=p3286.c0.m14
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post #4 of 16 Old 08-13-2009, 12:22 AM Thread Starter
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500 quid is a bargain!! but on the auction description it says for 355 F1, my version is a 355 spider with normal manual transmission. Would it be compatible? Thank you guys very much for helping me out.
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post #5 of 16 Old 08-13-2009, 11:43 AM
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I would suggest that before you jump to replacing the ECU that you have them identify what may have caused that failure if in fact these is one.

Did you per chance recently charge the battery or jump start it while the battery was in the car?

Have you had the battery checked to make sure that it's up to par? Some ECU issues are due to poor electrical current.

Before you leap for your checkbook have the battery and charging circuits checked.
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post #6 of 16 Old 08-13-2009, 09:37 PM Thread Starter
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The mechanics at Naza Italia told me they confirmed it's the ECU problem because my car works perfect right after they replace a working ECU on it but that's what they say. I'm going to see my car tomorrow and i'll ask them if the voltage supply is steady. Thanks for the tip.
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post #7 of 16 Old 08-13-2009, 11:09 PM
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Originally Posted by f355spider View Post
500 quid is a bargain!! but on the auction description it says for 355 F1, my version is a 355 spider with normal manual transmission. Would it be compatible? Thank you guys very much for helping me out.
I think it should be but I would call Ferrari to confirm.
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post #8 of 16 Old 08-14-2009, 09:51 AM
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Low or bad batteries can cause ECU's many problems.
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post #9 of 16 Old 08-15-2009, 12:28 AM
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Originally Posted by Gcalo View Post
Low or bad batteries can cause ECU's many problems.
+1 and jump starting can be the death of them.
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post #10 of 16 Old 08-15-2009, 06:43 AM
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Quote:
Originally Posted by Gcalo View Post
I would suggest that before you jump to replacing the ECU that you have them identify what may have caused that failure if in fact these is one.

Did you per chance recently charge the battery or jump start it while the battery was in the car?

Have you had the battery checked to make sure that it's up to par? Some ECU issues are due to poor electrical current.

Before you leap for your checkbook have the battery and charging circuits checked.
+1---Make sure 100% what the problem is. That's alot of money to spend....
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post #11 of 16 Old 08-30-2009, 10:46 PM Thread Starter
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I bought that ECU on eBay and had it shipped all the way from UK to Malaysia. Received it early this week and had it replaced immediately by the dealer. The car was then working perfect again until yesterday all of a sudden the engine breaks down and when i restart the engine, slow down signal starts flickering again. Arrggghhh... lasted barely 4 and it's faulty again. My F355 goes for repair at least 6-7 times a year. It is giving me too much trouble i must consider letting it go
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post #12 of 16 Old 08-31-2009, 11:02 AM
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As was said earlier, you may have another issue going on causing these problems.

My guess is that you have an alternator, battery, or both as problems.

Get that charging system checked before you burn through more money.
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post #13 of 16 Old 08-31-2009, 11:08 AM
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agree with Greg ^

you should be able to connect a OBD reader and get something other than constantly replacing ECUs.

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post #14 of 16 Old 08-31-2009, 10:23 PM
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My F355 goes for repair at least 6-7 times a year. It is giving me too much trouble i must consider letting it go
The climate in Malaysia can be very hard on Ferraris. If you can, I would suggest trading the F355 in for a 360. They are a bit more robustly engineered and better able to handle the tropical climates.
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post #15 of 16 Old 08-31-2009, 11:40 PM Thread Starter
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i've got a 360 already but i like the 355 design so i am keeping it... however it is causing too much trouble that i can no longer tolerate. The Ferrari dealer is sending their mechanic to my house tomorrow morning i'll see how it goes. The next time my 355 breaks down again i am selling it OFF. Meanwhile i am charging the battery to see if that would eliminate the slow down signal..
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post #16 of 16 Old 09-01-2009, 01:03 PM
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have you tried sealing the ECUs somehow. Not sure how, but perhaps imbedding silicagel, then a sealer about the connection points.

IF you are correct that it is too problematic, you may need to get out of it.

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