wont start after stalling
Moderator: martauto
Morning folks . M20 started fine but I stalled it after about 30 seconds then took a life time to start. Often struggles to start if I leave it for 10 mins if I pop in a shop say. I'm thinking blue temp sensor.. Do you think I'm on the right track of barking up the wrong tree .cheers guys .[/code]

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Speedtouch
- Old Skooler

- Posts: 14024
- Joined: Tue Feb 14, 2006 11:00 pm
- Location: Canterbury
What age/model is the car?
Yes, testing the blue sensor at the ECU socket is a good starting point to check.
Yes, testing the blue sensor at the ECU socket is a good starting point to check.
///M aurice
ECU Upgrade EPROM Chips, £40 posted within the UK. Note these are not Zone chips.
viewtopic.php?f=6&t=279421
ECU Upgrade EPROM Chips, £40 posted within the UK. Note these are not Zone chips.
viewtopic.php?f=6&t=279421
- Brianmoooore
- E30 Zone Team Member

- Posts: 49358
- Joined: Mon Jan 10, 2005 11:00 pm
Speedtouch wrote:What age/model is the car?
Yes, testing the blue sensor AT THE ECU SOCKET is a good starting point to check.
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Speedtouch
- Old Skooler

- Posts: 14024
- Joined: Tue Feb 14, 2006 11:00 pm
- Location: Canterbury
http://www.e30zone.net/e30zonewiki/inde ... emp_Sensor
http://www.e30zone.net/e30zonewiki/inde ... Temp_Gauge
http://www.e30zone.net/e30zonewiki/inde ... Temp_Gauge
///M aurice
ECU Upgrade EPROM Chips, £40 posted within the UK. Note these are not Zone chips.
viewtopic.php?f=6&t=279421
ECU Upgrade EPROM Chips, £40 posted within the UK. Note these are not Zone chips.
viewtopic.php?f=6&t=279421
- Brianmoooore
- E30 Zone Team Member

- Posts: 49358
- Joined: Mon Jan 10, 2005 11:00 pm
This is a post facelift car, so will have the notorious plug and socket under the inlet manifold that the blue temp. sensor signal passes through. If the sensor fails the resistance tests AT THE ECU SOCKET, then the problem is far more likely to be with the plug and socket mentioned above than with the sensor itselfkev76 wrote:H reg 320i.
- chainslack
- E30 Zone Newbie

- Posts: 18
- Joined: Thu Nov 17, 2016 11:00 pm
+1 for this : Same problem, same symptoms - Fixed mine by removing the multiway connector under the inlet manifold; draining the murky water that had collected; cutting out the wires and resoldering them.Brianmoooore wrote:This is a post facelift car, so will have the notorious plug and socket under the inlet manifold that the blue temp. sensor signal passes through. If the sensor fails the resistance tests AT THE ECU SOCKET, then the problem is far more likely to be with the plug and socket mentioned above than with the sensor itselfkev76 wrote:H reg 320i.

