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Chris (aka-Moose)
Chris (aka-Moose), Technician
Category: Car
Satisfied Customers: 1176
Experience:  16 years of experience
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Have a sterling dumptruck with series 60 detroit engine and

Customer Question

have a sterling dumptruck with series 60 detroit engine and it sometimes will drop to idle and no throttle response. have changed TPS sensor and inspected wiring and still does it sometimes. logs code for high voltage for TPS. any ideas?
Submitted: 1 year ago.
Category: Car
Expert:  K. Wiggins replied 1 year ago.

Hello, what is the code number? Is it DDEC 3 or 4?

Customer: replied 1 year ago.
4
Expert:  K. Wiggins replied 1 year ago.

and what was the specific code #?

Customer: replied 1 year ago.
21
Expert:  K. Wiggins replied 1 year ago.

Thanks, ***** ***** unpluged the TPS and checked each wire for continuity to the ecm? I'll post the diagram below.

Customer: replied 1 year ago.
Expert:  K. Wiggins replied 1 year ago.

Thanks, I'll open this back up to see if any other experts have any thoughts on this one. Someone should be with you shortly.

Expert:  Daniel Wilson replied 1 year ago.

Hi my name is***** will be glad to try to help. Here is a link for some more in depth TPS troubleshooting

TPS Troubleshooting