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check engine light-engine failure 1994 940 Turbo w/142k mile

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
1986 - 1991 780
1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90

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irish1
Posts: 1
Joined: 25 April 2007
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check engine light-engine failure 1994 940 Turbo w/142k mile

Post by irish1 »

ok so here's what happened. I'm on the Calif fwy at 3:30a going to work and doing about 70mph and everything was going along fine and then the "check engine" light comes on and zip....no more power. So I pulled over, called AAA who then tow the car back home. Battery ok, oil ok, new radiator and fluid ok. So here's a little background. In the past 3 weeks the a/c hasn't been working. Fan is on but no cold air...sometimes. Also, when going up a hill...if the car is working a bit...then the air stops blowing thru the vents. The air comes back on when the car gets back to level ground or isn't laboring so much as on a hill. Mechanic in another area of the state said it could be vacuum valve/vacuum motor. Of course, everything was fine with the car when he looked at it 2 weeks ago. Ithasn't had any major probs in the last 7 years that I've owned it and there was no warning before the engine just died this a.m.
Kinda vague all this...and I apologize. But just wondered why the "check engine" light would come on all of a sudden and then the car dies. ??
Any clue so I might know where a mechanic may go with this? I really appreciate the input.

outofworkjoe
Posts: 22
Joined: 14 May 2006
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Location: phila pa
Been thanked: 1 time

Post by outofworkjoe »

Maybe our AAM is bad,if you unplug it and it runs better,thats your problem.

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