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 Daniel Wilson Your Own Question
Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 1830
Experience:  Owner at DJ Wilson
Type Your Medium and Heavy Trucks Question Here...
Daniel Wilson is online now
A new question is answered every 9 seconds

The speedometer on our service truck maxes out we experience

Customer Question

the speedometer on our service truck maxes out we experience loss of throttle and the scan tool show the transmission down shifting to 3rd gear this happens when truck speed is about 45mph. the truck is a 2003 chevy kodiak C5500 with a Allison Transmission
Submitted: 9 months ago.
Category: Medium and Heavy Trucks
Expert:  Daniel Wilson replied 9 months ago.

Hi Raul, My name is***** do you have for fault codes?

Customer: replied 9 months ago.
can't remember the code exactly the parer work is at the shop but it was for the intake air heater maybe P0530 or P 0531
Expert:  Daniel Wilson replied 9 months ago.

Cat C7? 3126?

Customer: replied 9 months ago.
The truck is not class 8 commercial it has a duramax Diesel Engine

Related Medium and Heavy Trucks Questions