Date:         Thu, 18 Jun 2009 13:11:23 -0700
Reply-To:     mark drillock <mdrillock@COX.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         mark drillock <mdrillock@COX.NET>
Subject:      Re: 87 2.1 loss power
Comments: To: Amy Miner <vanagonwestygirl@GMAIL.COM>
In-Reply-To:  <3140418f0906181258k3daf81abk8475e7879e97b0d6@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

But did you check that the braid itself is grounded to the block? It
must be grounded for the O2 system to work.

The center wire must never be grounded and the braid must always be
grounded.

Mark

Amy Miner wrote:
> What concerns me is that when the motor is fully warmed up and I touch the
> center which had .5 volts on it to ground nothing changes. I did check the
> wire and there is no ground on it with a ohm meter. I checked to ground on
> the block and checked to the braid around the coax and there is no short to
> ground. The injectors have all been pro cleaned before I installed them. I
> tried to pull plug wires at idle and each one changes the way the motor runs
> very little. I have a fuel pressure gauge and I will check that tonight. At
> idle is appears to run okay but when I rev the motor I get puffs of black
> soot. Even leaves little black specs on the ground. I am just trying to
> figure out what would make the motor get "stuck" in what appears to be a
> cold running mode. Would to much fuel make the van lose power while driving?
> I also checked the oil and it still looks/smells clean. Doesn't appear to
> have fuel in it. I'll report back on the fuel pressure later,I'll check all
> grounds again,pull the plugs and look at them.
> Will look back here for more suggestions when I get home before I start
> working on it tonight
> so please keep the suggestions coming. I'd like to get this sorted out
> before my husband gets home from work this weekend.
>
> A.