Date: Tue, 9 Oct 2007 16:23:10 -0400
Reply-To: Mike Collum <collum@VERIZON.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Mike Collum <collum@VERIZON.NET>
Subject: Re: Mis-firing
In-Reply-To: <200710092006.l99K6of0001243@ss72.shared.server-system.net>
Content-type: text/plain; charset=ISO-8859-1; format=flowed
I don't know about online but there are vacuum diagrams in the Bentley.
Be careful, though, as the scheme for the '85 is different from that
of the '83 1/2 and '84.
Mike
'84 GL 7 pass
'84 Westy
'85 GL Westy
Brendan Slevin wrote:
> Is there a 1,9 vacuum diagram online anywhere. Searches have not turned up
> much.
>
> Brendan
>
>
>
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On Behalf Of
> Dennis Haynes
> Sent: Tuesday, October 09, 2007 10:32 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Mis-firing
>
> Look for the massive vacuum leak such as a cracked or disconected intake
> boot or the hose connection for the brake booster or auxilary air regulator.
>
> What is happening is that while cranking the cold strt valve is spraying
> fuel. Evenutally enough is in manifold for engine to start. That excess air
> is allowing for the high engine revs. After that fuel burns, since the AFM
> is not telling the ECU to add the correct amount of fuel, the engine dies.
>
> Dennis
>
>
>> From: Brendan Slevin <brendan@BELLATAZZA.COM>
>> Reply-To: Brendan Slevin <brendan@BELLATAZZA.COM>
>> To: vanagon@GERRY.VANAGON.COM
>> Subject: Re: Mis-firing
>> Date: Tue, 9 Oct 2007 09:18:24 -0700
>>
>> It is very strange. I'll turn it over and it catches right away and
>> instantly revs way up to about 3500 rpm and back to 0 and dies- a la:
>> vrroooOOOOOoooommm, poot. If I can get it to "idle" it is super rough and
>> when I press the accelerator it does nothing for a couple pumps and then
>> revs up to 3500 again, almost no correlation between throttle and revs. I
>> am at a loss. I have the plugs and need to get the right cap and rotor. I
>> got one that was supposed to fit from autozone and the plug wires just sit
>> in their holes and flop around. The bosch cap it had seems to have smaller
>> holes. Ahhh. And I was so happy when I got the engine back in and hooked
>> up. :(
>>
>> Brendan
>>
>>
>> -----Original Message-----
>> From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On Behalf Of
>> Geza Polony
>> Sent: Monday, October 08, 2007 7:14 PM
>> To: vanagon@GERRY.VANAGON.COM
>> Subject: Re: Mis-firing
>>
>> I had exactly the same symptoms. The Bentley ECU pin test revealed that #1
>> fuel injector was not firing and pointed to an ECU problem. Replacing the
>> ECU did the trick...almost...when it started misfiring again, I put the old
>> ECU back in and then IT worked. Conclusion: bad connection at the ECU.
>> Cleaning the pins with an acid etch solved it.
>>
>> Try running the engine at idle and moving the ECU pin connector around to
>> see if that changes anything. If yes, take it apart and clean the pins,
>> then
>> put back together firmly. If not, do the Bentley pin test and see what you
>> get. It will tell you if there's a bad wire or bad ground to the #1 fuel
>> injector.
>>
>> If you're getting spark, then it's a fuel injection issue. You are getting
>> spark to #1, yes?
>>
>>
>>
>> On Mon, 8 Oct 2007 15:43:08 -0700, Brendan Slevin <brendan@BELLATAZZA.COM>
>> wrote:
>>
>>> So great news is I got Totoro back together and "started." I say that
>>> loosely. I thought it might even out after a minute but it did not. It
>>> seems to be not firing/misfiring on cyl 1. I did not change any timing
>>> related anything, my plug wires are correct. I haven't done it yet, but
>> I
>>> have a new cap/rotor and plugs. It needs them anyway, but I am not super
>>> hopeful that this will fix it. I am fairly certain about my vacuum
>> lines,
>>> but not positive. I replaced all my fuel lines and all my vacuum lines
>> and
>>> all four little intake boots. The van ran and idled perfectly before all
>> of
>>> this. AFM is hooked up. I am at a loss. Any help is greatly
>> appreciated.
>>> Thanks!
>>>
>>> Brendan
>>> I have measured out my life with coffee spoons. -T.S. Eliot
>
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