 | Home > Puma (Tdci) > Strange gauge behaviours |
 
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| Johan_B Member Since: 20 Sep 2024 Location: Gothenburg Posts: 115   
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Not exactly the same but sounds a bit related:
https://www.defender2.net/forum/topic96071.html |
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30th Jun 2025 9:58am |
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| Siwynne Member Since: 04 Nov 2016 Location: West lancs Posts: 611 
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I’m leaning towards the relay or a connection either under the seat or the dash cluster. It seems to come and go with shocks from the road. I’ll try the relay first due to ease of access.
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30th Jun 2025 12:15pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6684  
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Any power loss at all?
Sounds like not, so wouldn't be a relay.. would be looking at a CAN bus wiring issue between ECU and cluster. However I wonder if your Bluetooth OBD reader being attached is a clue, perhaps knocking the CAN bus out for a short period?  1988 90 Td5 NAS soft top
2015 D90 XS SW |
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30th Jun 2025 1:14pm |
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| Siwynne Member Since: 04 Nov 2016 Location: West lancs Posts: 611
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That has occurred to me and it did stop working once over the weekend.
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30th Jun 2025 1:33pm |
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| HardCharger Member Since: 03 Mar 2013 Location: Manila Posts: 784  
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Is your battery clamped tightly? When this kind of happened to me (most symptoms present) it was found that even with the battery "tightly" clamped, the battery would shake when wiggling the wires to check for tightness, I wound up putting on a thin lead sleeve between the posts and the clamps and that resolved the problem for me. No Better Friend, No Worse Enemy
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1st Jul 2025 2:08am |
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| Siwynne Member Since: 04 Nov 2016 Location: West lancs Posts: 611
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First thing I checked but only a cursory wiggle I need to get the spanner’s out and check both clamps properly. Back to work and dad taxi yesterday so not had chance to look at much. I need to be methodical and check each of the suggestions made in turn otherwise I might fix it and not know how.
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1st Jul 2025 6:23am |
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| HardCharger Member Since: 03 Mar 2013 Location: Manila Posts: 784
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Mind you, my clamps were so tight that the whole battery would move when you shake the clamps. Still needed the sleeve to contact properly.
I would be driving then everything dies for a split second then move along like nothing happened except for some dash lights that would disappear after you start him up again. It was intermittent and no predicting when it would happen. After I added the sleeves, the issue went away and the truck ran much better. No Better Friend, No Worse Enemy |
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2nd Jul 2025 1:53am |
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| Siwynne Member Since: 04 Nov 2016 Location: West lancs Posts: 611
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Did you loose power as the dash dipped out? I was able to continue driving as normal.
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2nd Jul 2025 6:11am |
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| HardCharger Member Since: 03 Mar 2013 Location: Manila Posts: 784
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It was a quick loss, like a blink. I was also able to drive normally while this was happening. It’s just alarming when it happens. You never know when that blink loss will be the last one before you’re stranded. No Better Friend, No Worse Enemy
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2nd Jul 2025 11:38am |
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| Siwynne Member Since: 04 Nov 2016 Location: West lancs Posts: 611
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This sounds like it could be my issue. I’ve tweeted the clamps but will sleeve them soon.
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2nd Jul 2025 6:13pm |
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| Siwynne Member Since: 04 Nov 2016 Location: West lancs Posts: 611
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I have just had this reoccur when moving the car at home giving me a chance to try a few different things to cure it. The battery clamps were fine the relay was good. The OBD reader changed the status of the lights when plugged in. The lights were cleared when I cleared the Egr dtc code and the canbus error code.
So culprit apparently identified Thanks for the suggestions. I now have over 160k on a 2.2 and hope to keep it running for many more |
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14th Jul 2025 5:58pm |
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