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1991 740 wagon won't start 700 1991

posted by  someone claiming to be ripi on  Tue Apr 20 06:42 CST 2004 [RELATED]

Has been running fine go out this morning and it turns over just won't start. Any ideas? Thanks...








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    1991 740 wagon won't start 700 1991

    posted by  someone claiming to be Dans on  Wed Apr 21 09:41 CST 2004 [RELATED]

    on the coolant tank there are 2 relays...when u are facing them the one on the left is the Fuel Injection relay, the one on the right is the cooling fan relay
    they are identical internally (same p/n) switch them...see if that helps..
    the little circuit board inside cracks over time...if both are bad
    open one up and see if you can repair it with a soldering iron...
    if you don't have the skills pick one up at volvo...

    that's what happened to me last year...it just wouldn't start..
    if that's not it you may have lost the fuel pump or the relay
    which is behind the ash tray (white one)..fuel pump relay.

    Dans








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    1991 740 wagon won't start 700 1991

    posted by  rstarkie on  Tue Apr 20 07:45 CST 2004
    Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
    last visit: Fri Oct 24 10:14 CST 2014
    [RELATED]

    It would help if you can determine if it is a spark or fuel delivery problem. Will it run momemtarily on starting fluid? Remove one sparkplug wire and insert a conductor; hold close to a ground and crank the engine, look for spark.

    Can you hear the pumps run momentariy when the key is turned on?

    We need more input from you.

    Randy







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