Driveability/Low Power - Customer Complaint Form
Customer Name/Company Date
(1). How did the problem occur? Suddenly Gradually
(2). At what hour/mileage did the problem begin?
miles Since New
After engine repair?
Ye s No
After equipment repair?
Ye s No
After change in equipment use?
Ye s No
After change in selectable programmable parameters?
Ye s No
If so, what was repaired and when?
(3). Does the vehicle also experience poor fuel economy? Ye s No
Answer questions 5 through 9 using selections (A through F) listed below. Circle the letter or letters that best
describes the complaint.
A - Compared to fleet D - Personal expectation
B - Compared to competition E - Won’t pull on hill
C - Compared to previous engine F - Won’t pull on flat
ABCDEF (4). Can the vehicle obtain the expected road speed?
Ye s No
Speed desired
rpm/mph Speed achieved rpm/mph
GVW
ABCD (5). Is the vehicle able to pull the load? Ye s No When?
In the hills With highly loaded trailer
On the flat
Other
IF ANSWERED NO TO QUESTION 4 OR 5, FILL OUT THE DRIVEABILITY/LOW POWER/
EXCESSIVE FUEL CONSUMPTION CHECKLIST AND GO TO THE LOW POWER
TROUBLESHOOTING TREE.
ABCDEF (6). Is the vehicle slow to accelerate/respond?
Ye s No
From a stop
After a shift What RPM
Before a shift What RPM
No shift What RPM
ABCD (7). Does the vehicle hesitate after periods of long deceleration or coasting? Ye s No
What RPM
IF ANSWERED YES TO QUESTION 6 OR 7, FILL OUT THE DRIVEABILITY/LOW POWER/
EXCESSIVE FUEL CONSUMPTION CHECKLIST AND GO TO THE POOR
ACCELERATION/RESPONSE TROUBLESHOOTING TREE.
ABCDEF (8). Additional Comments
This Page Can Be Copied For Your Convenience.
Troubleshooting Symptoms Charts SectionT-Troubleshooting
N14Page T-108
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