How to Deal With Power Loss Under Heavy Pull for Detroit Diesel Engine Series 60

In extreme cold ambient conditions, the engine will operate in Condensation Protection.During this mode of operation, the engine boost will be reduced and there is no reduction of power. Operating in this mode is a normal operating condition and will not affect engine life or performance.

Note: Trucks operating with winter fronts will experience this condition less often.

Detroit Diesel Diagnostic Link DDDL 8.14 10 Level+08.2021 Troubleshooting

 

Perform the following steps for power loss under heavy pull

1.Check for diagnostic trouble codes.

[a] If Fault Codes are logged, diagnose the logged codes first.

2. Visually inspect the air filter restrictions.

[a] If the air filter is clogged or dirty, replace the air filter.

3. Visually inspect the air inlet hoses for soft or collapsed areas.

[a] If the air inlet hoses are damaged, replace as necessary.

4. Visually inspect the air inlet for restrictions.

[a] If the air inlet has restrictions, clean as necessary.

5. Visually inspect the entire length of the breather tube for kinks.

[a] If the breather tube has kinks, repair as necessary.

6. Measure the fuel pressure under heavy loads.

[a] If the fuel pressure was spiking or decreasing, perform step 7.

[b] If the fuel pressure was not spiking or decreasing, testing is complete.

7. Remove the fuel pump.

[a] If the fuel pump is damaged, replace the fuel pump.

[b] If the fuel pump is not damaged, perform step 8.

8. Remove the fuel injectors and inspect for combustion passing the seat.

[a] If seats are damaged, replace as necessary.

Detroit Diesel Diagnostic Link DDDL 8.11 8.09+Backdoor KG + Activator Free Download

 

Note:

The injector may need to be replaced also.

If the seats are not damaged, testing is complete.