NHTSA Campaign 91V169000
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Issued by THOMAS BUILT BUSES, INC. · Reported Oct 1, 1991 · 407 vehicles affected
What's wrong
THE FUEL SHUT-OFF SOLENOID IN THE CUMMINS 6C ENGINE MAY BE FAULTY, CAUSING SPONTANEOUS INTERRUPTION OF FUEL FLOW TO THE ENGINE DURING NORMAL OPERATION. THIS RESULTS IN LOSS OF POWER TO DRIVING WHEELS, POWER STEERING, AND OTHER POWER ASSISTED OPERATING SYSTEMS.
Consequence
LOSS OF ENGINE POWER AND SECONDARY LOSS OF POWER ASSISTEDSYSTEMS REDUCES STEERING CONTROL, BRAKING ABILITY, VISUAL SYSTEMS AND OTHERPOWER ASSISTED OPERATING SYSTEMS, RESULTING IN INCREASED RISK OF VEHICLEACCIDENT.
Remedy
WHERE NECESSARY, REPLACE THE SOLENOID SPRING, ADJUST SOLENOID, REPLACE WIRES, AND VERIFY MAXIMUM POWER REQUIREMENTS TO THE SOLENOID.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| THOMAS | BUS | 1988 | 407 |
| THOMAS | BUS | 1989 | 407 |
| THOMAS | BUS | 1990 | 407 |
| THOMAS | BUS | 1991 | 407 |
| THOMAS | SCHOOL BUS | 1988 | 407 |
| THOMAS | SCHOOL BUS | 1989 | 407 |
| THOMAS | SCHOOL BUS | 1990 | 407 |
| THOMAS | SCHOOL BUS | 1991 | 407 |
Source: NHTSA Campaign 91V169000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.