Ferrari Mailing List: Re: FI temperature sensor on the 328 ?

[Dave Handa (dave]

http://www.eagleday.com/ampconnectors.html

Scroll down for tools and parts to repair those AMP connectors.

I would think that most German car dealers stock the parts as well, but not
the tools.

Dave


-----Original Message-----
From: Rui Gigante [mailto:rui.gigante [at] gmail.com] 
Sent: Sunday, June 10, 2007 9:41 AM
To: dave [at] davehanda.com
Cc: The FerrariList
Subject: Re: [Ferrari] FI temperature sensor on the 328 ?

Guys,

the problem is solved ! Thanks for all the help. This is a great group of
people!

It was in fact a problem in the wiring. I've checked the voltage at the
injector, and it had 12v, but the termo switch was working as expected.
While doing this I've found that the wire that comes out of the thermo
switch goes into a plastic tube, to protect it. In my case, the plastic was
a bit out of place, leaving the wire exposed. It was rubbing against
a clamp, making a ground connection !! I've put the plastic tube in place
and isolated the wire properly (it was a very small area) and all is well
now !
I needed to adjust the idle screw, of course, and went for a ride. Perfect!
It starts better when warm, and after about 3 hours I've started it again,
with no problems. When cold, it now very briefly goes to about 1,300 rpm and
falls to 1,000~950 rpm, as it should

Jeff, my car doesn't have the lambda sensor, catalytic converter or air
pump. It is a politically incorrect machine :-)
I've learned that in fact the injector is only actuated by the thermo
switch, not the electronics. I've also checked that the injector is not
leaking (removed it) and it sprays a nice pattern. Good !
I have no temperature sensor in the expansion tank, just the additional air
valve, also working as it should. I had checked the throttle switch before,
but did it again. It is also working properly.

Rick, the Bosch connectors are in fact original. A couple of them have the
electrical contacts in bad shape (the one on the pressure regulator and on
the thermo switch) , so if anyone here knows of a source for these, that
would be great. In fact, I would only need the pins, not the plastic housing
...

Again thanks for the suggestions. Everytime I get something solved, it is
with greater joy that I go for a ride, as it happened this morning. If it
wasn't for the family and the first time use of my new barbecue, I would
still be driving :-)

Rui - with a grin ....
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