Date:         Wed, 27 Feb 2013 05:52:13 -0800
Reply-To:     mark drillock <mdrillock@COX.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         mark drillock <mdrillock@COX.NET>
Subject:      Re: Wow, disaster anytime now ...
Comments: To: Zolly <zolo@FOXINTERNET.NET>
In-Reply-To:  <BAY152-ds19216A04C3BAC744A568BCA0FD0@phx.gbl>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

He started off by saying the injectors had no power to them and asked
for help figuring out why. Later he changed to injectors powered and
injecting all the time, flooding the engine when just key on. One guess
would be that while chasing the first problem something he did fried the
injector driver transistor in the ECU. He also mentioned the fuel pump
running all the time the key is on and that should never be true,
another indication of a bad transistor in the ECU, the fuel pump relay
driver transistor. I wonder if he is using a test light in his testing
instead of a proper voltmeter?

Mark

Dennis Haynes wrote:
> You need to give some thought as to way the ECU failed. While solid state
> components, (output transistor) sometimes fail for no reason shorted
> components are often the result of an overload condition. I have seen
> incorrect replacement injectors installed. The air cooled injectors had much
> lower coil resistance and a resistor was part of the system. Also high power
> charger/engine starters can do the ECU in.  Not just the voltage but the
> noise-ripple from these things are bad for many electronics.
>
> Dennis
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> HotelWestfalia
> Sent: Tuesday, February 26, 2013 7:21 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Wow, disaster anytime now ...
>
> The car has started up with a new ECU.  Thanks Scott.
> Zoltan
>
>