Question about Volvo 940

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Water in the car

The car was overfloaded in water, and the fuel pump was pumping the fuel into the vehicle. oil and fuel is changed. the fuel pump work (with a jump instad of the relay). there is fuel at the fuel supply union nut. the engine rotates but will not start. there is a whisling noise from the fuel pressure regulator, but there cames no fuel?

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  • Expert
  • 103 Answers

Vacuum leak in the fuel system, and/or evaporation system leak.

Posted on Feb 10, 2014

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6ya6ya
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fixincars
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SOURCE: 7.4 liter mpfi engine starts, then shuts down.

The oil pressure sending unit should be located behind the distributor way in the back angled away from the engine, fuel filter been changed?
www.aceautomotive1.com if you findd this information helpful please give me a good rating
if you like i can email you a diaggram and location of the sensor you need
my email: fixincars@yahoo.com

Posted on Aug 10, 2008

thaurfen
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SOURCE: Fuelpump problem 2000 Suburu outback

check fuel lines for leaks...
good luck

Posted on Aug 16, 2008

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SOURCE: Fuel pump relay

Fuel pump in back in the gas tank.

Posted on Jan 30, 2009

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SOURCE: Car turns over wants to start but won't defin not starter

if your car has problems starting then gas shouldnt be the problem.. maybe an alternater or starter ignition

Posted on Jun 02, 2009

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SOURCE: 1995 pontiac bonneville SE 3800 engine Vin K.

fuel filter

Posted on Jul 20, 2009

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My 1989 Oldsmobile 98 won't start when its cold outside.


Check fuel pump pressure and the fuel pump relay . On your vehicle the oil pressure switch will allow the vehicle to start if fuel pump relay fails . The problem with this is oil when cold doesn't flow very well and could take sometime to reach 4-6 PSI to close contacts inside . Watch this video on Fuel Pump Electrical Circuits Description and Operation ! When it get's to GM vehicles . Your OLDS is a GM vehicle , if you are not aware of it . Fuel Pump Electrical Circuits Description and Operation First he explains Chrysler, dodge , jeep then ford , then GM ! Start at 14 min. 50 sec.

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I restored old cars for a living for about twenty five years and I only ever saw fuel go like that once.
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Being a Mazda the actual manufacturer hasn't been in business long enough for one of their very first cars to be reaching a point where the fuel would have degraded.

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