Isuzu Amigo Emission

How Can I Bench Test The Egr Temp Sensor? Do I Heat It With A Flame Or Will Boiling Water Work? Am I Looking For Ohms Between The Two...

I Have No Vacume To The Egr Valve From The Electrical Vacume Switch. I Have Tested The Switch And It Is Good. What I Have Found Is The Two...

I've Done A Tune Up And The Rotor Button, Distributor & Plug Wires Are Only A Yr Old. Set The Timing But It Seems Like It's Getting Too Much...