Woes from the dashboard

Technical questions and answers about the Mazda Bongo

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notpoodle
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Joined: Tue Jun 22, 2021 4:11 pm

Woes from the dashboard

Post by notpoodle » Wed Jul 21, 2021 7:37 pm

After replacing the clock face / dash, suspension, exhaust and prop shaft ....

The dash is still a mess. The Hold light is flashing, rev counter is erratic as anything and now I have discovered the speedo is 'working', but is wildly out (by between 5mp and 10mph depending on speed) #-o

Transmission is also proving a little haphazard, especially when going uphill. Am I right in thinking this may be connected to the speedo / Hold / Rev counter issues?

Local garage (who know Bongos very well) have referred me to a local Auto Gearbox specialist, so Belinda is off there tomorrow.

What might they find? I really hope that the gearbox and transmission aren't completely burgered :shock:
When the going gets weird, the weird turn pro.
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g8dhe
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Re: Woes from the dashboard

Post by g8dhe » Wed Jul 21, 2021 9:46 pm

There are so many differing problems all of which could affect the overall drive its impossible to say remotely what is causing the problem. But I would start with the sensors as if you feed duff info to the ECU then both the engine and gearbox will not know what to do!
Geoff
2001 Aero V6, AFT, full side conversion.
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oibaf
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Re: Woes from the dashboard

Post by oibaf » Thu Jul 22, 2021 3:01 pm

Reckon Geoff is right there. Dash is probably getting false info on most things although the speedo doesn't sound too bad.
notpoodle
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Re: Woes from the dashboard

Post by notpoodle » Fri Jul 23, 2021 4:15 pm

Good news is that gearbox is 'fine' on the whole.

As you people suggested, I need a new throttle position sensor to start with, which sounds easy enough.

As for the Rev counter and speedo - wait and see if the new sensor helps. I think I should also try to check if the wiring is chipped somewhere in the dash. Fun times. Now the whole family is off in Green Bongo #1 to collect Green Bongo #2 from the garage. They probably think we're nuts :lol:
When the going gets weird, the weird turn pro.
Bob
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Re: Woes from the dashboard

Post by Bob » Sat Jul 24, 2021 9:32 am

Bongo nuts. :D
TheLongRoad
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Re: Woes from the dashboard

Post by TheLongRoad » Sat Jul 24, 2021 8:03 pm

The speedo in Japan is in KM. if the importer has stuck an MPH face over it, the needle is likely to be inaccurate.
2003 Friendee 2.0 ltr Petrol.
notpoodle
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Joined: Tue Jun 22, 2021 4:11 pm

Re: Woes from the dashboard

Post by notpoodle » Sun Jul 25, 2021 6:13 pm

It had a new dash clock fitted (which had the mph on it already), the speedo is not consistently out either so I don’t think it’s that. The kmh readings don’t add up either :(

QQ about this throttle position sensor - is this a standard part that is available new, or do I need to source it from the usual Bongo part places?
When the going gets weird, the weird turn pro.