Hello,
Not sure if you are still having the acceleration problems but here goes.
I had the same problem with my car. I looked everywhere, replaced quite a few parts, brought it to three "volvo mechanics" and continued for months to not be able to solve the problem. I took off the hose that runs from my AMM hose to my PVC valve and it was full of crud! Cleaned it out with a coat hanger and some carb spray and I had my old car back again! It was a happy day!
Best of luck...
Regards,
Anastasia
1986 740 Turbo Wagon 380,000 miles (still original turbo... it can last longer then you may think...)
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