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

[Doug and Terri Anderson (dnt]

Three demons of cruddy running are

OPENS
SHORTS &
GROUNDS

Glad you found it.  Onward

DOUG

----- Original Message ----- 
From: "Rui Gigante" <rui.gigante [at] gmail.com>
To: "DOUG" <dnt [at] dock.net>
Cc: "The FerrariList" <ferrari [at] ferrarilist.com>
Sent: Sunday, June 10, 2007 9:41 AM
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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