[T2] Power loss in 4th

[accessys at smart.net]

had same problem and it was fuel filter.

when cleaning tank may have dislodged some gunk

Bob



On Mon, 12 Oct 2015, Avocado Tom Tarka wrote:

> Date: Mon, 12 Oct 2015 13:24:39 -0400
> From: Avocado Tom Tarka <avocadotom at gmail.com>
> To: "<type2 at type2.com>" <type2 at type2.com>
> Subject: [T2] Power loss in 4th
> 
> Hi volks,
>
> I'm encountering some power loss issues which I'm hoping someone can provide insights on.  After about 30 minutes of driving and when my bus is fully warmed up, I'm experiencing power loss and sputtering.
>
> Data points:
> - only happens when going uphill, particularly with steep grades
> - happens primarily in 4th but may just be RPM related: it seems to occur below ~2500 rpm (just noticed it in 3rd)
> - new fuel pump
> - hear ticking sound from carb after stopping to cool down (like a wind-up kitchen timer ticks)
> - watched fuel getting sucked through pre-carb filter after stopping to cool down
> - fuel pressure verified to be 2.5 to 3 psi after installing new pump (IIRC)
>
> Bus also seems to be trending towards overheating when the power loss occurs. Not sure if that's related.
>
> Specs:
>
> 1971 bus
> 1600 SP engine
> Non-doghouse oil cooler
> 009 and 30-pict 2
>
> I'm guessing it's the fuel pump, or float, as the gas tank was recently cleaned, but I'm at my wits end.
>
> Any thoughts?
>
> Thanks!
>   Tom
>
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