The coil is bad.
The diagnostic connector is under the hood. It is located along the engine wiring harness.
we need more info on this application like what year and what is a b250 i would suppose it was a dodge
A Dodge B250 Van does not have a mass airflow sensor.
I have a 1989 Dodge B250...it has overdrive
No.
On the B250 van the blower resistor is located behind the passenger glove box, remove the glove box shell and resistor is located just to the right side, you can't miss it.
No.
Center of the firewall.
35 Gallon Tank is standard...I have the same setup.
Yes
my 1993 b250 5.2 v8 holds approx 5.2 quarts, but five 5 quarts is fine.
Shorties are 109", standard is 127"