Question about 1982 Volvo 240 Series

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No spark i have a 91 volvo 740, i changed the coil and modual. and stil no spark from the coil and the plugs, there is power going to the small wire that leads into the the plug that gos into the modual

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  • vinelect Nov 30, 2008

    no i have not checked the codes cause i dont know what they mean, can you please tell me where the relays are located? thank you for takeing the time to help me

  • vinelect Nov 30, 2008

    i have checked the two blk relays and see them pull in at the same time and still no spark, i also noticed that i dont hear the fuel pump come on when i turn the key,and i checked fuse number 11 which is good but i dont have any power on it at all, it says that it supplies pwr to the intank fuel pump,oh and yes i changed the coil and the modulator, i need help im very frustrated and its hard shareing a vechical plz help



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On some of these the black relay on the shock tower supplies power to the coil, and the relay can fail. Swap it with the black coil on the other shock tower, they are the same.

The ignition power stage fails, and especially the rpm sensor. Have you checked the trouble codes?


Posted on Nov 30, 2008

  • Bret Bodas
    Bret Bodas Nov 30, 2008

    Info on reading codes,
    Read the codes at terminals A2 and A6 and post them here.

  • Bret Bodas
    Bret Bodas Dec 01, 2008

    Check your fuel pump relay. It's a white relay behind the fuses. You can tap on it while cranking the engine and see if it starts.



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Order of spark plug wires

here you go
Firing Order and Reinstalling Plug Wires:
B230F/T or B234 Four Cylinder: Firing order 1-3-4-2.
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2 Answers

No spark

Replace your fuel pump relay.

Dec 01, 2008 | 1991 Volvo 740

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