1994 Volvo 940 T Low Idle RPM

Maintenance/Repairs
,
1

I have a 1994 Volvo 940 T that has 275,000 miles. The engine idle is very low 100 RPM and it dies at a stop sign. Replaced the MAF sensor, Idle control valve, spark plugs and wires. Still, idle is too low. Any ideas are greatly appreciated.