Question about 1988 Volvo 740

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1988 volvo 740 problems

I have a 1988 volvo 740 and it wont start and i cant find the problem. it will turn over though.

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  • diddy138 Oct 09, 2008

    I changed my battery and now i have no spark to my motor

  • Rosalma Torres Nov 16, 2008

    1988 volvo  740 The car wads running ok yesterday and I started today and it wont start the horn does not function but the internal lights does I try to buster but it does not start 

  • Anonymous Mar 26, 2014




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Here is what I found was the problem with my 1988 740 GLE Wagon.
Remove the phillips screw that holds the cigarette lighter in place. Now remove the ash tray. Next, pull the storage tray and cigarette lighter assembly and lay to the side.
You will see two trays, one with the fuses and one with the relays. The one you want to look at is the relay tray.
On the far left side of the tray and the 2nd relay from the back is the relay that engages the ignition when you turn the key to the start/ Run position.
It is very likely that is simply a bad connection where the relay pprongs plug into the socket in the relay tray.
wiggle and pull up on the relay assembly until it comes out of the tray.
Now just tweek the prongs slightly on the relay so they will make a firmer contact in the socket.
Now put the relay back in the same position it was in originally. Pull it back out and put it back in a couple of times to clean any corrosion oin the contact prongs.
Try to start the car now. This will probably correct the problem.
If not you may have to replace the relay because it may be defective.

Posted on Nov 28, 2008

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Spray starting fluid in the intake manifold with the throat open. Then try to start. if it starts briefly then you have a fuel pump or fuel relay issue. If it does not start after spraying starter fluid then you have a spark issue. Check the ingnition stage module on the inner fender behind the air cleaner and/or swap the radio suppression relay on the radiator fluid reservior.

Posted on Oct 18, 2008


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