Question about 1998 Volvo S70

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Car cut off at stoplight, couldnt get it to start and continuously run again, so I replaced spark plugs and sprayed starter fluid but still wont crank, it sounds like it wants to crank but wont catch

Origionally the car sputtered before it completely stopped cranking. but when i got it to crank the engine shook terribly and black smoke came out of the exhaust, then it cut off within a minute

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  • Volvo Expert
  • 496 Answers

Get the car Scanned and that will lead you to your faults.

Posted on Mar 08, 2015

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: I have a 1995 Volvo

check the maf sensor or go to auto zone they check with the a machine for free tell you the code # for engine light...get code #?

Posted on Nov 02, 2008

  • 548 Answers

SOURCE: check engine light - 240 enfgine running rich

It could be a number of things but must be diagnosed via computer code check. If you are unable to do so yourself, find a reputable Volvo mechanic. It could be the air mass meter, a bad O2 sensor or something related. Mine turned out not to be the air meter but a bad ground wire going to it. Didn't find out until $400.00 later.

Posted on Jan 25, 2009

Skorpyo
  • 133 Answers

SOURCE: engine cuts off

If it cuts out after driving a while, one or both fuel pumps are a common culprit. After they warm up, they have a tendency to "fail" for a short while. When they cool back down, they work again. If you don't have any problems caused by lack of fuel while the car is still running, i'd suggest replacing the in-tank pump. If your car lacks power while it's running, your problem is most likely the secondary fuel pump, which provides the fuel system with the higher pressurse required for proper high speed operations. Also, do your fuel filter at the same time, to prevent other problems.

Posted on Nov 04, 2009

  • 52 Answers

SOURCE: 94 volvo 940 cranks runs a few miles cuts off then keeps doing

fuel pump.

Posted on Apr 13, 2010

timeclock624
  • 22 Answers

SOURCE: Happy holidays,my 89 volvo 240dl starts and runs

It is most likely that you have a hole in your vacuum hoses (check your flame trap too) or your 02 sensor is bad. i would check both. good luck:)

Posted on Dec 04, 2010

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2 Answers

WOULD NOT CRANK CHANGED STARTER NOW CRANKS BUT WILL NOT RUN


Something intermittent is wrong with your fuel delivery system - fuel pump, fuel filter, fuel pressure regulator, check valve.. If it always starts when you use starting fluid that eliminates spark/igniter issues. Check all electrical connections in fuel delivery components.

If the ecm is touchy it might not be sending the signal for the injectors to shoot gas into cylinders.

But I think you have a bad connection somewhere along the line.
BTW, great car - have one also. But my dealer sucks.

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Cranks but wont start


Likely a fuel delivery problem.

Check the filter, as it may be clogged and due for replacement. To test for fuel delivery, open your airbox and spray some starter fluid (purified ether, usually) down into the throttle body while someone else cranks the engine. If it fires up and runs for a few seconds but won't run without spraying the starter fluid, then you know you've got spark and compression. If that's the case, there could be any number of potential issues: throttle position sensor (not very common, but it does happen), fuel injectors clogged (common if you use low-grade fuel), fuel filter/strainer clogged (filters should be replaced every 30k miles or so, on average), fuel pump failure (you should hear a buzzing from the fuel pump when you crank the engine).

If the starter fluid doesn't help, then the problem is no spark. Check each plug/cable for fouling.

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You say the timing belt is intact, so I assume you have checked compression.
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If it runs when you spray starter fluid in you know the ignition system and all related systems are working. On an '86 you have an in-take electric fuel pump. You need to confirm that it runs and that it is supplying adequate fuel pressure in the system.

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Fuel pump issue.--

Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.


To confirm the problem, the basic troubleshooting is required.


Click this link below and follow the troubleshooting:------

http://technoanswers.blogspot.in/2012/02/car-starting-issues.html

---------

This will help.
Thanks.

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