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400 Series General Forum for the Volvo 440, 460 and 480 cars |
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no power to ignition coil.Views : 1066 Replies : 2Users Viewing This Thread : |
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Jul 21st, 2002, 16:27 | #1 |
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Last Online: Aug 22nd, 2021 12:03
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Location: middlesex
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no power to ignition coil.
the girlfriends 44o gl 1.8 injection b18u has no power to the coil. is there an ignition relay where the power comes from . i have checked the loom in the engine bay and am now looking as to where it goes in through the bulkhead. i guess the next place must be a relay but they are not labeld and the haynes manual is less than useless for wiring diagrams. there used to be an intermittent fault before but apparently rocking the car cured this!!
any help much appreciated thanks james
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Jul 22nd, 2002, 10:30 | #2 |
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RE: no power to ignition coil.
The only thing I can suggest is the obvious I'm afraid, if rocking the car used to cure it then the chances are than one of the pins in a connector is not making contact, wobble the connections to see if you can make it go, and if you find the broken one see why...
I had this problem on the spitty and it was a pin under the dash, to cure I needed to unplug the joint and spread the pins in the connection (Don't know if volvos use this type of connector so check before doing anything!) Stu |
Sep 18th, 2002, 19:52 | #3 |
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Last Online: Jan 29th, 2019 22:42
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Location: North West
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RE: no power to ignition coil.
Hello
There are two relays under the dashboard on the driver’s side (behind the fuse box). The relays are for the fuel pump and the ignition/fuel ECU. The wire from the coil goes direct to the ECU, which is located behind the driver’s side kick-panel in the foot well. The coil should have a live and earth (both from the ECU) and also a pulsed feed from the ECU. Check the earth connection on the engine just behind the oil filler cap as these often break and on some engines/ignition systems can cause it not to start. Regards Chris. |
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