[Diy_efi] WB psychosis

[rr]

On Fri, 30 Aug 2002 06:37:49 -0700
 "Jeff Feltman" <jfeltman at intrnet.net> wrote:
> Help Me Please
> 
> I have built two DIY_WB kits and went through all the
> test procedures and got absolutely flawless compliance
> with the standards except the LED comes on immediately..

The heater ready light should take 5 to 10 seconds to
illuminate. So this does not look correct.

> . . .and as long as the sensor remains UNCONNECTED
> everything works right according to procedures.  I have
> checked the test numbers both using the solder points and
> the pinouts at the connector (just to make sure that I
> hadn't stupidly miswired something).  BOTH UNITS ACT
> IDENTICALLY.  BTW I am using a portable battery booster
> (the yellow thing) as a power source and it puts out over
> 13.0 v.   As soon I connect the sensor, the LED goes out
> and the heater stays COLD forever.  When I measure the
> voltage through the power leads I get .013 volts and I am

Even if the power voltage in was low the heater controller
would still produce an output voltage. Double check the 
orientation of the LT1086. 

BobR.


> completely confused.   The first sensor I bought was used
> so I have already bought a second sensor and it acted
> identically to the used one. 
> 
> Will someone please try to help.  I am on my last nerve.
> 
> Thanks
> Jeff

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