How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Jackie Dempsey Your Own Question
Jackie Dempsey
Jackie Dempsey,
Category: Medium and Heavy Trucks
Satisfied Customers: 22
Experience:  Diesel Technician at Cummins Pacific
89779026
Type Your Medium and Heavy Trucks Question Here...
Jackie Dempsey is online now
A new question is answered every 9 seconds

Cummins qsx 15 fault code D1 - - motor will no not go above

Customer Question

cummins qsx 15 fault code D1 - -
JA: We'll do all we can to help. Tell me a bit more about what's going on so the Heavy Equipment Mechanic can help you best.
Customer: motor will no not go above 1200 rpm
JA: Is there anything else important you think the Heavy Equipment Mechanic should know?
Customer: no
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Heavy Equipment Mechanic about your situation and then connect you two.
Submitted: 5 months ago.
Category: Medium and Heavy Trucks
Expert:  Jackie Dempsey replied 5 months ago.

Hello and thank you for choosing Just Answer! I am happy to help you with your question today. Can you please provide the 8 digit engine serial number as well as the fault code? I see a D1 on the info for your question, however Cummins codes are numbers only. If there are no fault codes present please tell me a bit more about the issue at hand. Thank you!

Customer: replied 5 months ago.
s/n 79130249 it will not go above about 1200 rpm
Expert:  Jackie Dempsey replied 5 months ago.

Ok great thank you! Are there any fault codes present?

Customer: replied 5 months ago.
no codes
Expert:  Jackie Dempsey replied 5 months ago.

Thank you, ***** ***** the application of the engine? I have attached a t/s document, please let me know if this helps guide you in the right direction and we can take it from there.

Customer: replied 5 months ago.
thank you I believe we have narrowed it down to the throttle position sensor
Expert:  Jackie Dempsey replied 5 months ago.

Ok great! If I can be of assistance please let me know! Have a great day ;)

Expert:  Jackie Dempsey replied 5 months ago.

Hello! I just wanted to touch base to see how the troubleshooting was coming along. If you require additional assistance please let me know! Also please take a moment to rate the service you received on this question. Thank you!

Related Medium and Heavy Trucks Questions