Question about 1994 Volvo 940

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Volvo 940 does not starts. Starter works and turns, battery has charge. Changed a fuel pump, it helped for couple weeks. Then same thing happened. Cleaned fuel relay. It also helped for couple days but then again same thing happened. Running out of ideas.

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  • Volvo Master
  • 1,449 Answers

Check your pump if you replaced the pre pump in your fuel tank you must check the seal .remove the plastic ring check the base at the entry to your pump is flat .it may be leaking air due to your seal not seated in correctly.

Posted on Nov 30, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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keemo68
  • 1263 Answers

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

  • 1 Answer

SOURCE: Need a schematic for OD relay/switch 95 volvo 940

Behind your ashtray and fuse cover there are relays, there is a relay that is for you overdrive this needs to be replaced and your problem will go away. The relay is marked with the letter " I ".

Posted on Jan 24, 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

roy7777
  • 109 Answers

SOURCE: 1994 Volvo 940 turbo wont start!!!!!! =[

I am a volvo tech and your problem is fuel pressure ralated and i had same problem in 1995 850 turbo and the fuel pump was the problem and a used one is around 35.00

Posted on Apr 11, 2009

mx5turbo92
  • 545 Answers

SOURCE: I need to replace the fuel pump in my 940 Volvo.

Disconnect battery ground strap before beginning to work on the fuel/electrical system. Do not smoke or have anything in the area which can ignite or cause sparks

  1. Drain enough fuel from tank to prevent spilling, no more than 4 gallons (16 liters) of fuel should remain. Use suitable pumping equipment.
  2. Remove floor mat and panel from trunk.
  1. Disconnect wiring harness connector to sending unit. Remove wires from connector.
  2. Disconnect ground wire to sender. Push wires through grommet.
  3. Remove cover for access to tank sending unit.
  1. All models: Disconnect from the fuel tank sending unit:
    1. Breather hose C
    2. Return hose A
    3. Supply hose B
    4. Filler hose D
    5. Wiring harness from clip E
  1. Clean area and unscrew fuel tank sender/pump cap or equivalent. Remove tank sender/pump and seal.
  2. Remove pump from sender/pump assembly.
INSTALLATION
  1. Inspect the pump for damage, feed pump hose and wiring for wear. Replace as needed.
  2. Install new pump to sender/pump assembly.
  3. Install rubber seal in neck of tank. Lubricate inside of seal.
  1. Install fuel tank sender/pump unit. Align it with the moulded joint (arrows) on tank.
  2. Apply rustproofing compound to exposed metal portions of tank sender.
CAUTION : With tape or rubber caps, protect fuel sender openings from overspray.
  1. Torque fuel tank sender/pump lock ring to: 22 ft-lb (30 Nm)
  2. Reassemble components in reverse order. Use tie straps to secure all hoses and wiring.

Posted on Jun 04, 2009

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it is a loose ground to the starter. look for a ground to the bell housing. chances are it's loose this is the ground for the solenoid on the starter. I had the same problem with my vehicle . please rate this thanks

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