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S90 wanting to stall...and does

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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anbran1
Posts: 61
Joined: 25 November 2011
Year and Model: 1999 XC70
Location: Rockwood, Ontario

S90 wanting to stall...and does

Post by anbran1 »

I just took my S90 out for a spin after I fixed the rad fan problem. All of a sudden, it started to idle at around 300 rpm and wouldn't accelerate. It would stall. I would start and it would be ok...then about a minute later...start doing the same thing. This happened a few times until I got it in the driveway...

Now it seems to idle ok...(Worried about taking it out again.)

I put a fuel pressure gauge on it and it shows around 37 psi while idling...

I suspect that the fuel filter has not been changed in ages...probably original fuel pump. (455,000 km on the car)

No codes popped up!

Thoughts?

anbran1
Posts: 61
Joined: 25 November 2011
Year and Model: 1999 XC70
Location: Rockwood, Ontario

Post by anbran1 »

Changed the fuel filter (Really rusted on there) I could barely blow through it, it was so clogged...
psi is the same...car running ok now

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