black smoke can you help?

Technical questions and answers about the Mazda Bongo

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bongoing-mad-simon
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black smoke can you help?

Post by bongoing-mad-simon » Mon Mar 05, 2007 9:52 pm

hi everyone

i have a small query, when i start my bongo from cold she is fine.
when she gets to optimum temperature she blows black smoke for a mile or so,with loss of power . power comes back no smoke runs fine for rest of day. been told its normal ????????????? :?

any suggestions on what it could be will be greatly received :D :D :D


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Peg leg Pete
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Post by Peg leg Pete » Mon Mar 05, 2007 9:54 pm

Don't think it is normal ,our Bongo does not do it.
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francophile1947
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Post by francophile1947 » Mon Mar 05, 2007 9:57 pm

Don't know what it is, but mine doesn't do it.
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andyfb78

Post by andyfb78 » Tue Mar 06, 2007 11:49 pm

when I had white smoke probs i was told white is water or fuel starvation, and black is injection timing or air starvation (over fuelling, which is why you get it when you first boot the throttle before th eturbo spins up)...
so check the air filter and passages are clear, or if you are unlucky check the operation of the turbo....
bigdaddycain
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Post by bigdaddycain » Wed Mar 07, 2007 12:00 am

The black smoke isnt normal. definitely running rich, a prior owner may have been tampering with the fuel pump settings...
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bongoing-mad-simon
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Post by bongoing-mad-simon » Wed Mar 07, 2007 12:05 am

thanks big daddy cane and andyfb78
ill get the fuel pump checked already checked air ways and replaced filter,
apriciate your help,ta,

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David Edwards
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Post by David Edwards » Wed Mar 07, 2007 12:09 am

How long have you had it, is it due for a service, as others have said, check filters etc. Diesels do smoke to some extent all the time, noisy smelly bloody things but what the hell we love em. Happy motoring.
bongoing-mad-simon
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Post by bongoing-mad-simon » Wed Mar 07, 2007 12:19 am

Hi david
i've had the bongo 6 months ran it for 7 weeks (over heating probs) resulting in new head ,rad, water pump, 2 thermostats had back now 6 weeks running fine apart from smoke problem had it serviced when i first got it ( i've done approx 1000 miles since service), just changed air filter,and cleaned filter in banjo

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bigdaddycain
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Post by bigdaddycain » Wed Mar 07, 2007 12:37 am

:shock: OH! as an afterthought,have a quick check that the engine isn't OVERfilled with oil, thats as deadly to a diesel as not enough oil.... :?
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bongoing-mad-simon
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Post by bongoing-mad-simon » Wed Mar 07, 2007 12:40 am

thanks big daddy cain

i'll check that tomorrow :D :D

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