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Hard Start, then Dies and Can't Rev above idle 900 1993

posted by  Volvo4Skier on  Sat Feb 8 20:44 CST 2020
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last visit: Wed Jul 1 03:55 CST 2009
[RELATED]

I have a 1993 Volvo 940 Turbo Wagon.

It is difficult to start whether cold or warm. Takes several tries.

I have unplugged the AMM as it seems to be faulty. If I plug it back in, unable to start.

After start when cold, it will idle at initially idle just below 1,000 then eventually revs to about 1,100 until about ½ warm and then dies.

If start when warm (½ warm), it will idle increasing to about 1,100 revs for about 10 seconds and then dies.

If I press on the gas pedal, whether cold or warm, it dies. So, I am unable to drive.

Fuel pump relay is about a year old. The crank position sensor was replaced a few years ago.

Any suggestions?

Thanks.





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