Rough running, erratic idle, hunting when cruising,  and failure to idle
at stops.

BTDT

John Rodgers
88 GL Driver

Hans Brouwer wrote:

>What is the symptom when a vacuum line collapses or leaks?
>
>The reason I ask is that on our way back from holidays, 5 hours from home
>our 86 Westy misfired 2 times in a row and from there on the fuel
>consumption went up and noticed quite a bit of loss in power. Hills caused a
>major speed loss and from stop signs a took a while to reach 90 km/h. It
>almost felt the engine was choking on to much fuel. I was able to limp home.
>The Westy never misfired after the initial misfire.
>
>Another Westy owner has a very similar problem and changed the fuel pressure
>regulator and AFM. The Westy run for a while but now he is stuck again on
>his trip. His Westy runs for a 10 kilometers or so and then dies. Sounds
>something heated up and caused the Westy to stop working.
>
>The common thing we both did was install an aftermarket cruise control
>(different brand names). I put a T at the fuel pressure regulator for the
>required vacuum line and put a new vacuum line in; same diameter.
>
>I ordered a new fuel pressure regulator but after checking the archive I
>think it has more to do with vacuum lines getting warm possibly collapsing
>or leaking at connections.
>
>Feedback is greatly appreciated.
>
>Cheers,
>
>Hans Brouwer
>
>Cumberland, Ontario
>69 Bus (Speedy)
>86 Westfalia (Slowpoke)
>92 Cabriolet (for sale)
>
>BusFusion a VW Camper camping event in Almonte, 2004
>Member: Vanagon List, IWCCC & Capital City VW Club
>
>
>