Date:         Thu, 16 Jan 2014 21:52:56 -0600
Reply-To:     JRodgers <jrodgers113@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         JRodgers <jrodgers113@GMAIL.COM>
Subject:      Re: Volksiebus - 88 Transporter  - Rough Running Engine
Comments: To: "SDF ( Scott Daniel Foss )" <scottdaniel@turbovans.com>
In-Reply-To:  <52D8A6EE.40609@turbovans.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 1/16/2014 9:43 PM, SDF ( Scott Daniel Foss ) wrote:
> re
> Suspicion: Throttle body switches out of limits and need adjusting. "
>
> is it making contact at idle or not ?
> it either is, or it isn't.
> which one ?

It idles beautifully! 800 rpm.

>
> if you need to know how to adjust it,
> or how to tweak it when normal adjusting won't work anymore, just ask.

Just might do that.
>
> There is just nothing like 'having everything in spec, and every feature
> checked.'

Agreed!
>
> if it's rough at idle..
> you start by checking compression, and for intake leaks.
Idle is smooth as silk.
>
> how are the injector spray patterns ?
Dunno - but recently serviced.
>
> Does the O2 sensor have a decent output ?

Dunno
> if no..why isn't there a new one on the engine .?

Just haven't gotten thee yet.

> if yes, why isn't it connected  ?
I disconnected it to see if it made a different, It did not!!
>
> lol..reminds me of a time I didn't really want to work on a guys Jaguar
> ..I asked him..
> who's your regular jag mechanic ?
> he said I was.
> So who is your regular vanagon/waterboxer mechanic john ?

Guess!! Uno numero!! at your service.

Can't get garages around here to work on them.

John
>
> On 1/16/2014 7:22 PM, JRodgers wrote:
>> Rough engine - the latest pita I'm having to deal with on a string of
>> many!! I'm on a roll!!
>>
>> Ok - hot or cold - engine starts and idles well.
>>
>> Conditions - ISV disconnected due to Idle issues
>> O2 Sensor Disconnected to put ECU in default mode.
>>
>> Cold engine: starts easily, idles easily, but upon attempted
>> acceleration it bucks, kicks, snorts, hiccups, coughs - finally
>> smoothing out at speed.
>>
>> Warm engine: starts easily, idles easily, but upon attempted
>> acceleration it  bucks, kicks, snorts, hiccups, coughs - finally
>> smoothing out at speed.  Only the bucking isn't quite so bad. Occurs
>> mostly on the initial acceleration after idling successful.
>>
>> Suspicion: Throttle body switches out of limits and need adjusting.
>>
>> Anyone have any ideas about this?
>>
>> Thanks,
>>
>> John
>>
>