Question about 1999 Volvo S80

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Volvo s80 starting failure when hot.

The engine starts only incold condition. When the engine is hot is not starting. I have already check the fuel pump, i have a very good spark, the ignition is turning the engine, the battery is in good condition. Sometimes when the engine is running is like instantly the fuel cuts off.

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  • 5 Answers

Sounds like it might be the fuel regulator

Posted on Nov 26, 2013

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Posted on Jan 02, 2017

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keemo68
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SOURCE: 1985 Volvo 240 no fuel no spark

well first the fuel pump relay is bad, that is easily replaced. next you have no spark. the first thing you do is take the cap off the distributerand crank the engine. if it spins that tell syou thyat at least the tang or gear on the shaft of the distributor is ok and not broken. next thing is remove the #1 plug and use a 1/4 drive extension 6" long and turn the crank by hand until the #1 cylinder is top dead center(put the extension in the hole of head where the plug was and you should feel the top of the piston also make sure you can feel the top of the piston with half the extension this way you don't drop it in the cylinder with the piston at TDC(top dead center) the rotor of the distributor should be pointed at the #1 firing position. IF it does not that means your timing is off and you need to retime it by taking off timing cover and either replacing the belt/chain or gears. now if you do not have a distributor and you have a coil pack there could be only 2 things that won't give spark. either a bad coil or your altenater is bad(the battery is responsible for starting not running the vehicle like alot of people assume. the altenator energizes the coil which inturngives spark. hope this helps you please rate this thanks

Posted on Sep 07, 2008

  • 83 Answers

SOURCE: 1989 Volvo 240 GL: Will not start, no spark, no fuel

it is likely either the Crank position sensor, or the ignition module. (module is in the left front fender area behind the turn signal)

Posted on Mar 26, 2009

  • 112 Answers

SOURCE: 1991 volvo turns over but wont start

If your air mass meter tests good, the I would tell you to check the HIGH PRESSURE PUMP underneath the Driver's side chassis pump holder-next to the fuel filter.

There are 2 pumps on your Volvo---the in-tank low pressure, and the chassis mounted high pressure. The car will run with the in-tank failed and the high pressure good. It will not run with the high pressure failed. Test the pump by applying voltage to the two terminals.

Another common failure, should the high pressure pump be good, is the HALL EFFECT SENSOR located in the distributor on the back of the engine. Once this sensor goes, it's no start. A rebuilt or used distributor may be the answer to your problem.

Posted on Mar 26, 2009

daves944
  • 1050 Answers

SOURCE: 1989 volvo 740 gl CAR WON'T START -----HELP

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Here it is.

Posted on Apr 06, 2009

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SOURCE: 1999 Volvo S80 T6, Starts blower on its own.

If you are talking about the thermo electric cooling fan, its operation is independent of the car's electical system. It is switched on and off by the engine temperature. When you park, the engine heat soaks upward to heat the thermostat turning the fan on. It will run until the engine cools down and the thermostat switches it off.

Posted on Apr 08, 2010

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Dec 03, 2015 | 2000 Volvo S80

1 Answer

Volvo s80 engine starting failure


Fuel pump relay . Or fuel pump could be a bad earth lead You need to narrow this down to 1 fuel or 2 ignition ..

Nov 04, 2017 | 1999 Volvo S80

2 Answers

Mostly in the am... my 2006 volvo s80 flashing multiple error messages including brake failure stop safely, transmission service requested, is hard pull on engine, ca hear a couple 'clunks' under car. ...


I would start with something simple like a load test on the battery as it apparently does not have enough current stored to run the CPU properly. IN the AM I would think that you would have the lights on and these drain any excess current from the battery. Check the alternator for correct out put and check drive belt tension and condition as a slipping belt will be the cause of the faults.

Nov 03, 2013 | 2000 Volvo S80

1 Answer

1999, Volvo s80 turns over but wont start .. Battery is brand new, and transmission has recently been rebuilt. upon putting the vehicle back together, we have run into this issue. car started before with...


Are the plugs actually sparking? Do you have fuel to fuel rail? If so, are the injectors pulsing? Are there any codes in the ECM? Have you scanned them? To you have power to the fuel pump? There is really no way to answer your question over the internet.

Nov 30, 2017 | 1999 Volvo S80

1 Answer

2000 volvo s80 crank no start?


If it has fuel in the rail that doesn't mean the injectors are delivering it to the engine, that is called injector "pulse", this can be checked with a little neon light tool called a "NOID" injector tester, you plug it into the injector connector and crank the engine over, it will flash if the injector is working and ionjecting fuel. The tool is very cheap. The loss of power to the fuses is likely a defective igntion starter switch.

Feb 07, 2012 | 2000 Volvo S80

1 Answer

My volvo s80 is hard to start regardless of hot or cold conditions.


I would check the cam timing, and the fuel pressure. If the cam timing has jumped it can cause this problem, also low fuel pressure can cause this problem if the fuel pump or pressure regulator is failing.

Dec 20, 2010 | 1999 Volvo S80

1 Answer

2000 volvo s80 ran out of gas put gas in but it wont start


Turn the key to full power (but do not crank the engine). You may hear a high pitched whine from behind you - that's the fuel pump running. Leave the key on for about five seconds, then turn it off for a minute. Turn the key on again for another five seconds, and off for a minute. Then turn the key on for five seconds, and then crank the engine.

If your car ran out of gas, you need to run the fuel pump this way to get fuel up to the engine again - all the lines from the tank to the engine are empty, so the pump needs to run to fill them.

If this doesn't work, it's possible that the fuel pump is vapor-locked and will have to be replaced. Some cars are more susceptible than others to this type of failure.

Dec 05, 2009 | 1999 Volvo S80

2 Answers

S80 Difficult to start


Change the fuel filter. If pump is new, and you are not leaking gas from lines, than either the filter is clogged, injector stuck open

Jun 22, 2009 | 2002 Volvo S80

1 Answer

I have a volvo s80 t6 with error codes 171 and 174 it says lean air fuel mixture the engine runs rough sorta like its skipping. What needs to be checked and possible replaced ?


2 things to check air leaks from air box tomanifold where it meets at engine check mass air flow sensor and oxygen sensor start with common sense things first

Apr 16, 2009 | 1999 Volvo S80

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