Diesel Data: Automotive Repair

After Warming Up, Idle Speed Drops When Steering Wheel Is Turned (MIL Works OK, No DTCs Set)




After warming up, idle speed drops when steering wheel is turned (MIL works OK, no DTCs set)

After warming up, idle speed drops when steering wheel is turned
(MIL works OK, no DTCs set)


Do the PCM idle learn procedure. PCM Idle Learn Procedure

Troubleshoot the PSP switch signal circuit PSP Switch Signal Circuit Troubleshooting.

Do the carbon accumulation check Testing and Inspection.

Also check for

Power steering system problems