Question about 1994 Volvo 940
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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Posted on Jan 02, 2017
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
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
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
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
Posted on Jun 04, 2009
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