volvo penta powerless

Technical questions and answers concerning all models of VW diesel vehicles.

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reimatic
Glow Plug
Posts: 24
Joined: Sun Jul 08, 2012 4:10 pm

Re: volvo penta powerless

Post by reimatic »

Now i have sort of same problem with pre. Working engine

I would say i have about 80% of total power
I have to push down gas almost to bottom for getting 3200rpm.

I have looked at this a couple of times because i was thinking about air leak between turbo and air intake but this all is ok

I found that there is a little diesel coming somewhere around the injector pump distrubution head. Feels wet in this area.
Tried to tighten all outgoing pipes but still same.
This injectionpump is the one that we changed the distrubution head 2 yeats ago. Could it be that there is wrong angle on outgoing pipes? Is it safe to bend these a little when open nut little?

Or do you know where the leak is, or how to find this
reimatic
Glow Plug
Posts: 24
Joined: Sun Jul 08, 2012 4:10 pm

Re: volvo penta powerless

Post by reimatic »

Fyi.
I had these injectors to local bosch workshop for new nozzles.
Also filters are new and air leaks in fuel system are checked, i did all this early in the season because i had rough idle and hard to start. This was fixed with new pre fuel pump and i found one fuel hose connection that was loose? Vibrations maybe?
TylerDurden
Turbo Charger
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Location: Michigami, USA

Re: volvo penta powerless

Post by TylerDurden »

Any smoke?
Have a nice day.


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reimatic
Glow Plug
Posts: 24
Joined: Sun Jul 08, 2012 4:10 pm

Re: volvo penta powerless

Post by reimatic »

No smoke
Only symptom is power loss and little rough idle
Fatmobile
Global Moderator
Posts: 7564
Joined: Wed Oct 30, 2002 10:28 pm
Location: north central Iowa

Re: volvo penta powerless

Post by Fatmobile »

Maybe turn the smoke up a little.
No smoke could mean not enough power.

Also put the peddle to the floor and have someone see how far it moves the accel lever,...
make sure it hits the high RPM stop.
'91 Golf gasser converted to a 12mm pump, M-TDI.
'84 1.6TD Rabbit with a VNT-15 turbo, still setup to run on vegetable oil.
'84 GTI with 1.7TD pistons and intercooled.
2003 TDI wagon
2000 TDI Jetta.
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