PULSE DAMPER IN THE FUEL RAIL IS LEAKING GAS ON TO THE ENGINE. I UNDERSTAND THAT THIS IS A FACTORY DEFECT PER INTERNET REPORTS. INTERNET REPORTS STATE TO CONTACT MANUFACTURER PER PHONE NUMBERS PROVIDED BUT NON WORK.
2004 Workhorse P32
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all P32 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 2 of 2 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Fuel/propulsion System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Fuel/propulsion System complaints
1 reportsOfficial recalls
106V225000 · Engine And Engine Cooling
Jun 20, 2006
ON CERTAIN MOTOR HOME AND TRUCK CHASSIS EQUIPPED WITH GENERAL MOTORS 8.1L V8 ENGINES, IMPROPER HARDENING DURING THE HEAT TREATMENT PROCESS CAN CAUSE THE FUEL RAIL PULSE DAMPER RETAINER CLIP TO FRACTURE, RESULTING IN INADEQUATE RETENTION OF THE DAMPER. IF THE DAMPER BECOMES LOOSE, FUEL COULD BE PUMPED BY THE FUEL PUMP INTO THE UNDER HOOD AREA.
Consequence & remedy
Consequence: IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD RESULT.
Remedy: DEALERS WILL REPLACE THE FUEL RAIL PULSE DAMPER RETAINER CLIPS ON THESE ENGINES FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 1, 2006. OWNERS MAY CONTACT WORKHORSE AT 877-294-6773.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
Illustration