Owner reports · Recalls · Investigations
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →Owner complaints by model year
Compare all Diplomat years →Counts vary with age, sales and reporting. They are not failure rates.
No component reports in this snapshot.
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Mileage at the reported incident
Limited mileage data: 0 of 0 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.
NHTSA owner reports · September 18, 2026 snapshot.
No matching complaints in this snapshot.
Sep 22, 1981
THE AUTOMATIC SPEED CONTROL SWITCH MAY STICK IN THE "RESUME" POSITION RESTRICTING RETURN MOVEMENT. THIS WILL NOT ALLOW THE NORMAL BRAKE PEDAL OPERATION TO DEACTIVATE THE SYSTEM.
Consequence: Not supplied
Remedy: THE SHIELD PORTION OF THE "RESUME" SLIDE LEVER IN THE SPEED CONTROL UNIT WILL BE REPLACED WITHOUT CHARGE.
May 5, 1981
ENGINE MAY LOSE POWER OR STALL DUE TO CARBURETOR FLOODING. THIS IS CAUSED BY A POOR ELECTRICAL GROUND ON THE CARBURETOR FUEL BOWL VENT SOLENOID. VEHICLES MAY ALSO HAVE DRIVEABILITY PROBLEMS WHILE THE ENGINE IS WARMING UP IN COLD WEATHER. THESE PROBLEMS INCLUDE ENGINE MISSING, SAGS, AND HESITATION. THIS IS CAUSED BY A STICKING CARBURETOR OXYGEN FEEDBACK SOLENOID.
Consequence: Not supplied
Remedy: DEALER WILL INSPECT CARBURETOR AND IF NECESSARY, THE BOWL VENT SOLENOID WILL BE REPAIRED BY RESOLDERING (RECONNECTING) THE EXTERNAL ELECTRICAL CONNECTION FREE OF CHARGE. IF APPLICABLE, THE OXYGEN FEEDBACK SENSOR WILL BE REPLACED.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
Opened May 16, 1984 · Closed Sep 10, 1984
Status: closed (inferred from source dates) · Service Brakes, Hydraulic
LACK OF BRAKE EFFECTIVENESS DURING PANIC STOPS
Illustration