20 Most Recent 1983 Volvo 760 Questions & Answers


Sounds like fuel contamination,try a good fuel treatment like lucas,and a product called heet for moister.

1983 Volvo 760 | Answered on Mar 23, 2010


If there is condensation building up under the distributor cap, perhaps the cap is not vented properly.

Volvo 760 Cars &... | Answered on Jan 26, 2014


Hi William
to start with, check if there is output voltage from the alternator it self ( at the back of the alternator ) using a voltmetre
Chould give 14.0 Volt, if is OK, that means you have a broken wire between the alternator and the battery, this is common.
good luck

Volvo 760 Cars &... | Answered on Jan 16, 2014


check the wiring connection under the inlet manifold for your cold start injector and your cold start sensor. clean or dry it if dirty or wet. pull apart and clean.and clean the butterfly at your throttle with throttle cleaner.and clean your idle control valve piston may be sticking due to dirt.

Volvo 760 Cars &... | Answered on Dec 12, 2013


need a small 7 mm spanner to remove .mark each lead with a number in the order of removal .change both it and your rotor arm at the same time.

Volvo 760 Cars &... | Answered on Dec 12, 2013


EFI-212 indicates the o2 sensor wiring is open, or the o2 sensor itself is faulty (replace o2 sensor). Rarely, it could be a problem with the LH computer itself though that has its own code: EFI-112.

Volvo 760 Cars &... | Answered on Nov 08, 2013


simple pour coka a cola on the plugs then sand wipe with sand paper let dry then try

Volvo 760 Cars &... | Answered on Aug 17, 2012


You probably have either a bad tach or a bad wire connection. The wiring of the tach is very simple - there are really only three leads to deal with:

1. 12v positive from ignition - may be a red wire, goes to switched side of ignition switch to provide 12v when the key is on.
2. Ground - goes to ground - usually black wire
3. Tach sense - goes to the ignition - usually grey wire
4. Light - there is probably another pole for an internal light - this would go to the nav/dash light circuit to pick up 12v when the lights are on. It would have no effect on the operation of the tach.

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Volvo 760 Cars &... | Answered on Dec 14, 2011


some cars dont go by timing marks to set distributer you will have to make sure of the way your car gets set the best way is too pull number one spark plug put finger on hole have some turn engine with wrench until you fell compresion then get the piston all the way to the top then check were its at then if its still 180 out then pull it and put in right place only if you feel you can go into it that far

Volvo 760 Cars &... | Answered on Feb 10, 2011


Thats possible but not as likly as the intake gasket being failed or next the head gaskets or cracked heads. Freezing without enough antifrezze is a cause for a leak down lower but it's possible if your right theirs crakes in othe parts too that you won't notice over the bigger leak or not full enough.to see the other leaks cyclinder linder leaks can almosr anlways be fixed with sop leak raditor additive and don't for get to change the oil as oil with coolant in it won't lube the engine parts well enough and it'll tear the whole engine up. If you've got it all the way down the orginal replacement gaskets are fine they just gave up over not having the coolant changed on a regular bacis. If you thing about it 78 was a long time ago and if you fix it now will it be running in 2047 for you to do it again? Sure O rings would be nice like road tractors use on the big cats, but this is a car, stock will be fine.

Volvo 760 Cars &... | Answered on Jan 28, 2011


Its easy enough to check for spark but how are you checking that you are really getting gas. Are the spark plugs new. If so the check that you have the right ones. It is not uncommon for a parts guy to give you the wrong plugs . If the plugs are not new and the car was running fine with those plugs before all this happened and the plugs look fine now, no bad, black carbon deposits then lets move on . Did you just put gas in the car. sometimes you can get a load of bad gas, I mean water in the gas when I say bad. Been lots of rain lately and this does happen. Pull the plugs on the car and spray some starter fluid down the cylenders. Replace the plugs and turn the engine over. If it fire up for a second or two and then quits, I would start looking at the fuel system. The fuel solinoid relay, which would supply power to the fuel pump could be a problem. Be sure you are getting fuel in the cylenders.

Volvo 760 Cars &... | Answered on Sep 18, 2010

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