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Not start after replaced IP.

valyidol said:
Codes:
0073
0046
0036
Click to expand...

http://www.thetruckstop.us/forum/showthread.php?497-OBD-I-Codes

DTC 73 - Pressure Control Solenoid Circuit (Current Error)
DTC 46 - Malfunction Indicator Lamp (MIL) Circuit Fault
DTC 36 - Injection Pulse Width Error (Time Long)

Grounds. Clean the grounds. The important one is by the transmission dipstick hold down bolt at the back of the engine. Take it apart and clean it as it may look good, but, have corrosion under the nut.

Code 73 is transmission. Check the main big plug on the transmission for transmission oil. Clean it out if there is evidence of oil leaking around it. Oil will cause loss of electrical connection in a plug.

Code 46 - Malfunction Indicator Lamp is known as Service Engine Soon. Bad bulb, they removed the bulb, or cut the wire. Likely tired of seeing it on all the time with the DB2 swap.

DTC 36 is related to the IP. Check the ground on top of the Injection pump. Check the PMD wires - black box on the side of the pump. Check the fuel. Water in fuel? Air bubbles in fuel can also cause this. Put a clear line on the IP return and look for air bubbles. Could be a bad PMD... A reason people go to the DB2...
 
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