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Malfunction indicator light vvt engine

  • treasurer
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03 Oct 2012 17:56 #49410 by treasurer
Replied by treasurer on topic Malfunction indicator light vvt engine
Hi all
So i bought a code reader and it said P0031 h025 Heater control Circuit Low
(Bank1 sensor 1)

so i worked this out to be the o2 sensor before the cat and a fault with its heater or the control to the heater circuit
So is there a simple way to test the o2 sensor or its circuit to determine what is at fault ,the o2 sensor or the circuit that controls it ?

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  • markyp2000
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03 Oct 2012 18:01 #49411 by markyp2000
Replied by markyp2000 on topic Malfunction indicator light vvt engine
clear the fault and see if it comes back on you may find it will stay off it it does come back on just replace the sensor

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03 Oct 2012 18:09 #49413 by treasurer
Replied by treasurer on topic Malfunction indicator light vvt engine
Thanks for the advice
I did clear the fault and yes it did come back
so i will go look for a new sensor :)

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03 Oct 2012 19:53 #49423 by treasurer
Replied by treasurer on topic Malfunction indicator light vvt engine
Hi
dose anybody know the denso part number for the oxygen sensor ?
Having trouble finding one

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03 Oct 2012 21:45 #49438 by facade
You can buy a generic one off eBay, and join the original lead onto the bare wires of the new sensor, there are only a couple of different types, the 4 wire type fits suzukis.

Mine has had one for years. It works B)

If it suddenly breaks, go back to the last thing that you did before it broke and start looking there :)

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