Ferrari Mailing List: Re: Problems with 308

[Jim Brown (barchetta]

before you do that check your crank sensors. They are located  at the 2, 7 and 
11 Oclock positions on the rear of the flywheel housing. Rutlands has them for 
about 90 bucks each but a good cleaning of magnetic contacts may be all you 
need. I recently had the same problem. The coils get no power without the those 
sensors working properly.
   
  BTW George I finally got the MACarbon struts done on the front bumber. Looks 
alot better now. :)
   
  Jim

georgedodson [at] comcast.net wrote:
  I finally got some time to look at the 308. In a post from a couple of weeks 
ago I wrote that the engine lost power and stopped during high speed slalom 
down a steep hill. The engine starts, barely, won't idle, runs rough and there 
is no power (also no bad mechanical sounds from the engine). Neither of the 1-4 
or 5-8 warning lights are on. It turns out that what power there is comes from 
the 1-4 bank. Removing the coil HT wire from 5-8 has no effect. However, there 
is spark from the 5-8 coil! I found this by putting a HT cable from the 5-8 
coil to near the block and letting it arc over. With no coil HT wire there is 
some internal arc-over in the 5-8 coil visible, but not when it is arcing to 
the block or connected to the distributor. The 5-8 distributor looks fine. The 
5-8 and cap rotor are OK, no sign of tracking in the distributor. I inspected 
the control modules. The compartment is dry and there is no sign of corrosion. 
I pulled the cables and cleaned the contacts, but
 that
didn't help. I ran out of time before I could swap the module cables to see if 
the problem stayed with the cables or went with the modules. One question is; 
since there appears to be spark to the 5-8 bank, is there some external timing 
mark that I can look at with my timing light to see where the spark is coming 
in time? I can't find any reference to a timing mark. I can only imagine how 
much a control module will cost.



Regards,

George
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