Question about 1993 Volvo 850

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93 volvo 850 no spark fuel pressure up to regulator none at injectors will not start

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Volvo immobalizer is on

Posted on Oct 02, 2009

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1 Answer

Volvo ignition / fuel problems


if its cranking but wont start then its possible its your fuel regulator, the fuel filter is clogged or the fuel pump is bad. check the pin on the right side of the injector rail, its got a little brass knob that unscrews, if you unscrew it and then try to start it and fuel comes out its not the pump or filter but maybe the regulator or at tis age like my volvo the injectors need replacing a simple OBD code reading will tell you.

May 21, 2013 | 1997 Volvo 850

1 Answer

Volvo 850 tight engine - injectors + oil leak from top of cam cover


could be from
bad injectors
air in fuel
leakdown from problem pressure regulator valve
glo-plugs not operating
pump not producing the desired pressure
at this point I suspect that injectors/ pump need reconditioning as the unit is 21 years old probably never having either serviced
take it to an accredited diesel specialist shop for a proper diagnosis and quote

Apr 01, 2017 | 1996 Volvo 850

2 Answers

My 1995 Volvo 850 will not start. I think it is the fuel pump. I tryed a procedure where I removed the fuel pump relay and jumpered the sockets for blades 85 and 15. there was no help in starting the car...


another way to test it
unplug any fuel line you can locate tell a friend to start key one turn only if the line squirts fuel then pump is working and it might need regulator
if not then pump is gone

Jun 08, 2011 | 1995 Volvo 850

1 Answer

1994 volvo turbo 850,changed fuel pump,filter,spark plugs,cleaned intake,checked for vacuum leak none. car runs then cuts off after 5 min,if you give it gas it cuts off.please help!


Thanks for using FixYa and welcome to the site. I have a few questions for you. Is it doing it every five minutes? Also, have you checked the fuel pressure? Is gas getting to the injectors on the engine block? I will be waiting on your reply.

Mar 30, 2011 | 1994 Volvo 850

1 Answer

90 volvo 740 flooding problem,car will drive come to a stop dies floods fuel will not start until i unhook all injectors and crank until it dries out ,may start again when injectors are connected,may drive...


indicate excessive fuel pressure , return line blocked , inoperative pressure regulator ,problem injector seals incorrect voltage to injectors

Oct 18, 2017 | 1990 Volvo 740

1 Answer

My 1995 volvo 850 turbo is hard to start when hot.


Check fuel pressure regulator.
Pull out vacuum line from regulator and see if there any gasolin inside . If there is , it's your problem. Broken diaphragm inside fuel pressure regulator.
Replace fuel pressure regulator.
If not , further diagnostics has to be performed by workshop.

May 27, 2010 | 1995 Volvo 850

2 Answers

93 volvo 850 glt changed the fuel pump now car wont start. Engine cranks, fuel pump working, fuel getting to the motor but it wont start. The car had trouble starting sometimes so i changed the fuel...


Check your fuel pressure to ensure proper pressure to the block, also did you replace the fuel filter.

On a side note: 3 things a automobile needs to run

AIR-make sure you have a clean air filter and your MAF (mass air flow sensor is plugged in) if you pulled your breather to innspect anything, there is a possibility that it came unplugged or you unpluged it and forgot to hook it back up, a car wont start without it being plugged in if equiped

SPARK-Make sure your car has juice to the plugs, if the plug doesnt fire the car wont run, if you have to pull each plug and ground them to the engine block to see if they arch. If not trace the problem down (if you changed the fuel pump you have some mechanical skill and should be able to troubleshoot a spark issue)

FUEL-Check for proper pressure, dirty fuel filter(s) and if your system has a return line, make sure your hoses didnt get crossed cause this will damage the engine and regulator.

Hope this helps Thanks for using Fixya.com

Jan 22, 2010 | 1994 Volvo 850

2 Answers

Volvo 850 2.0 1995 non starting already fitted new plugs leads cap roter arm cam and crank sencors good spark good fuel presure and no imobliser light on plugs all dry when turning over engine


try spraying some easy start into the air intake while someone operates the starter if it trys to start you have a fuel system fault have you checked fuel pressure at injector rail you need to do this using gauge and check against volvo spec if low it will never run if ok check feeds to injectors using multimeter if no feed check relevent fuses if ok using multimeter check continuety of injector wireing back to ecu if it did not try to start using easy start check timing belt is ok and engine has compression

Jan 02, 2010 | 1995 Volvo 850

1 Answer

1993 volvo 850 no start,no codes,cranks but no start


Check the fuel pressure regulator. It is probably vacuum operated. It is located on top of the engine with a small vacuum hose attached.

Jan 23, 2009 | 1994 Volvo 850

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