Question about 1991 Volvo 940

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Need to remove crank sensor on 1991 940 (2 litre)

My volvo will not start and it has been suggested the crank sensor is at fault

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  • 243 Answers

Had you had the car scanned? It could be something else? Fuel pump, relay, fuse...
Is there any spark at the plugs? Is there fuel coming to the injectors?
There are a few things that can cause a car not to start, Is the engine light on?
Best way is to get the car scannd, if not you'll end up replacing unneccesary parts by trial and error.
Cheers

Posted on Feb 15, 2009

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Posted on Jan 02, 2017

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1996 volvo 960 engine turn off suddenly when I was driving


it may be a fuel pump fault. Cutting out and restarting is a classic sign of a failing fuel pump.

Here in the UK the VOlvo 960 is a 3 litre car (may be a different model to the USA version of the 960) and has 2 fuel pumps. One is situated in the tank and lifts the fuel into the pipeline system. The 2nd fuel pump is located underneath the car alongside the fuel filter underneath the passenger side (UK) and gives the fuel a boost to shove it up to the engine.

To check fuel pressure, find the pipe that goes to the injectors ... there usually is a connector where the metal pipe connects to the flexible rubber pipe. Undo the connector and switch the ignition on ... fuel should spray out at high pressure .. .high pressure .. not small squirts and dribbles.

Fuel pumps are damn expensive. It could also be a sensor at fault - like a crankshaft sensor. The cheapest way to get it sorted is to ask a workshop to identify the fault for you (you can do any work required) - they can check the sensors and electrics on their computer. Changing parts one by one to try and cure a fault can work out damn expensive .... get the fault identified for you first. Its worth the money ..

I think there are still photos of UK Volvo 960 fuel pumps on my website at :
http://www.glennsmart.btinternet.co.uk/volvo960.html

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