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Old 31-07-2016, 07:45   #16
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Re: Volvo Penta 2003 Cold Start fuel enrich schematics

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Originally Posted by Pete7 View Post
What was the final solution? looks like I am going to print off this thread and take it down to the boat to see what is going on as I am sure I have the same problem.

Pete

Problem is standard - engine is old and some of the metal part inside the cold start/governor box need bending to actually start working again

e.g. you need to open the box and understand first how it works - not a easy job ! prepare for hours of thinking screwing and unscrewing the cap of the box...

after that start bending in very small turns and try, bent try etc. until you get it right and start hearing the click ....

I have no idea why volvo has designed so complicated mechanics for a boat engine which should just work in any conditions..

next time I have issues I will put and additional control lever with string and solve all this nightmare

my engine is on 1772h on the clock
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Old 31-07-2016, 13:09   #17
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Re: Volvo Penta 2003 Cold Start fuel enrich schematics

I had a related, but probably slightly different issue on our 2003T. The cold-start/shut-off lever on the mechanism became difficult to move, affecting both cold-start and shut-down. Pulling the lever arm and liberally dousing the shaft and bushing with penetrating oil (a few times) managed to fix the problem without having to delve deeper into the guts of the mechanism.
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Old 31-07-2016, 14:02   #18
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Re: Volvo Penta 2003 Cold Start fuel enrich schematics

VT, many thanks for the time you have taken to post on this. I think you have found the problem I also have and given me a good pointer to investigate when I get the yacht home in the Autumn.

Pete
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Old 22-10-2016, 05:31   #19
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Re: Volvo Penta 2003 Cold Start fuel enrich schematics

I have had similar issue. There is a washer/circling in the cold start mechanism that has a habit of coming off as it can weaken. And you need to check spring in mechanism is still connected and in the right alignment. After many problems I had a good mechanic(hard to find) repair it and has started perfectly for last 6 months. Also replaced worn injectors which has improved starting a lot.

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Old 22-10-2016, 05:55   #20
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Re: Volvo Penta 2003 Cold Start fuel enrich schematics

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Originally Posted by PegasusIX View Post
I have had similar issue. There is a washer/circling in the cold start mechanism that has a habit of coming off as it can weaken. And you need to check spring in mechanism is still connected and in the right alignment. After many problems I had a good mechanic(hard to find) repair it and has started perfectly for last 6 months. Also replaced worn injectors which has improved starting a lot.

Regards
re : Injectors - any suggestion how to change them - price , instructions , risks will be very appreciated!!!
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Old 13-02-2017, 03:59   #21
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Re: Volvo Penta 2003 Cold Start fuel enrich schematics

Had the injectors removed in November on my 2003T. Volvo has no injectors, sleeves or nozzels on Stock. I had to order the nozzels from Bosch Central Stock in Stuttgart Germany. By removing the injectors you have to be very carefull not loosing the sleeve. Next problem when inserting the injectors after removel the sleeve must bei Clean in order to seal again. You should have an injector puller ....... If the sleeve becomes loose water can enter the engine (remove cooling fluid before removing the injectors).
Spare parts for the 2003 becomes a major problem. The head gasket kit ist available as a dechocking kit and cost is much lower as individuell parts
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Old 13-02-2017, 04:26   #22
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Re: Volvo Penta 2003 Cold Start fuel enrich schematics

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Had the injectors removed in November on my 2003T. Volvo has no injectors, sleeves or nozzels on Stock. I had to order the nozzels from Bosch Central Stock in Stuttgart Germany. By removing the injectors you have to be very carefull not loosing the sleeve. Next problem when inserting the injectors after removel the sleeve must bei Clean in order to seal again. You should have an injector puller ....... If the sleeve becomes loose water can enter the engine (remove cooling fluid before removing the injectors).
Spare parts for the 2003 becomes a major problem. The head gasket kit ist available as a dechocking kit and cost is much lower as individuell parts
take a look at this thread - I've already done the injector cleaning...

VOLVO PENTA 2003 cannot move after 3 months

if you decide to repower ( as it may be cheaper then servicing old engine) this guys look very good :

Marine diesel engine supplier for inboard marine diesel engines for boats
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Old 13-02-2017, 04:27   #23
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Re: Volvo Penta 2003 Cold Start fuel enrich schematics

also here :

How To Change Injectors VP2003
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