stalling after a long-ish run

Technical questions and answers about the Mazda Bongo

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fergday

stalling after a long-ish run

Post by fergday » Thu Feb 04, 2010 5:08 pm

Hullo all;
my first post- I've a Bongo that generally goes well, but has had a recurring problem that's getting worse, over the last few months. After going at speed (m-way/ dual carriageway driving) for some time and then slowing down- typically coming to a stop at the junction at the bottom of a slip-road- the engine dies. It just can't keep the revs up, and seems like fuel starvation, or something to do with the throttle. It takes 2 or 3 goes to re-start, and then idles irregularly. It'll then do it repeatedly whenever I slow right down (all the best places- right turns, roundabouts etc!)
It may be to do with getting hot, as it never does this going at lower speeds, even for long periods, and is OK again once its sat for a while. The fan always comes on when it stalls, too, which may I suppose just be a coincidence, I dunno.
I've changed the fuel filters, had the EGR first blanked off then fixed, both of which seem to have helped general performance, but it still has this problemit in the same pattern. My local mechanic has suggested it could be to do with an electrical throttle sensor/ regulator? Any ideas? Its a bit stressful and somewhat defeats the point of long-distance Bongo missions!

Thanks all
Fergday, Devon.
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westonwarrior
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Re: stalling after a long-ish run

Post by westonwarrior » Thu Feb 04, 2010 5:13 pm

Hi and welcome to the forum
I seam to remember this being brought up before so I am sure an answer will be forth coming
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mikeonb4c
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Re: stalling after a long-ish run

Post by mikeonb4c » Thu Feb 04, 2010 6:20 pm

westonwarrior wrote:Hi and welcome to the forum
I seam to remember this being brought up before so I am sure an answer will be forth coming
Me too, and we got it sorted. Have a search while you are waiting (I seem to remember they talked about motorway sliproads etc. so try those in your search words). Good luck - and welcome :D 8)
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westonwarrior
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Re: stalling after a long-ish run

Post by westonwarrior » Thu Feb 04, 2010 7:16 pm

may be this thread may shed some light on your problem

http://www.igmaynard.co.uk/bongo/forum/ ... g+when+hot
wonkanoby
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Re: stalling after a long-ish run

Post by wonkanoby » Thu Feb 04, 2010 8:52 pm

check tanks not getting a vacum in by blocked breather on cap
fergday

Re: stalling after a long-ish run

Post by fergday » Thu Mar 04, 2010 7:30 pm

Hi-
looks like this is sorted- after some investigation Bogobits in Plymouth found some crud in a pipe into the fuel pump- careful checking saved me lots I reckon!
Thanks all
Fergday
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