1990 b150 no start... not ASD
#11
The starter circuit is separate from the asd relay. The asd turns on the fuel pump and supplies power to the 02 sensor coil and fuel injectors. So of course with out it it's not going to run. Did you check if you have good grounds on the engine and body? Also check the connections on the battery.
#12
The starter circuit is separate from the asd relay. The asd turns on the fuel pump and supplies power to the 02 sensor coil and fuel injectors. So of course with out it it's not going to run. Did you check if you have good grounds on the engine and body? Also check the connections on the battery.