[alfa] 87 Spider VVT troubleshoot

["Dean W. Cains" <dwc@xxxxxx>]

Hi Group:

How does one troubleshoot a non-operative VVT system, specifically on an 
'87 Spider?  I can't see or hear the solenoid moving as the engine rpm's 
increase, although I'm assuming that I should.  I've just replaced the fuse 
holder, also cleaned the contacts of the 3-wire connector on the solenoid 
leads.  I've got 14.5v on the green/black wire, and the other two wires 
appear to be grounded, although I only checked with a continuity meter, not 
an ohmmeter.

I've only had this Spider about a year, and since it feels like it always 
has, I'm guessing the VVT hasn't worked since I've had the car.  This is 
also the only Bosch Spider I've ever driven, and thus I have no point of 
reference to know how it should feel.  So, what should I check?  Does the 
VVT solenoid commonly fail?  Thanks in advance.

Regards,

Dean
Lutz, FL
'74 & '87 Spider Veloce's
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