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2004 Volvo S60 Base 2.4L Manual w/Sunroof

2004 Volvo S60
Trim Info:
Front Wheel Drive, 4 Door Sedan, Compact
22 mpg city / 30 mpg hwy
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November 29, 2013, 2:30 pm

Tony L

Question: Engine surges at less than 2500 RPM and stalls if less than 1800 RPM

My car is a 2001 Volvo S60T 2.4L Turbo, with sunroof.

My daughter was on her way to work when the car went into Limp mode. I thought it was the ETM and replace that after cleaning the original one didn't change anything. The new one didn't make a difference, either. I have warning message on the dash display that says "Engine Service Requrired", but there are no codes visible on my ODB 2 scanner. The scanner IM readiness indicates the following.
MIL off
Missfire Ready
Fuel ready
CCM ready
CAT not ready
HCM n/a
EVAP not ready
2AIR n/a
A/C n/a
O2S Not Ready
HO2S Not Readty
EGR n/a

I'm sure the CAT and O2 sensors should be ready but I don't know how to check them or if this means something more serious, like a faulty ECM. Any ideas?

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