2008 Harley-Davidson Flhx Fuel system Problems
- Complaints
- 4about this part
- Share
- 13%of 30 total for the year
- Median mileage
- 10,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the fuel system of the 2008 Harley-Davidson Flhx, 13% of the 30 complaints for this model year. Where a mileage was given, the median is 10,000 miles. 1 recall campaign on record is filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was in a roundabout when I tried to increase my speed but no response. The bike would still run so I limped home. Ever sance it has set two codes thay are p1510 and p2138 went to local deler he told me I would half to install a race tuner I didnot install a race tuner . Thay also told me to live with it”
NHTSA complaint #10767595, filed 2015-09, 10,000 miles“Fly by wire throttle on touring and cruiser harley-davidsons begins to rev / race without even turning the handle. Happens quite frequently once it begins. Particularly hazardous during turns and starting out in traffic. Has occurred on my motorcycle about 15 times in the past week. 3 times it almost caused me to crash in a turn. Called local hd dealer and they came to pickup motorcycle 5/25/10 to service. Service manager says they have been having problems with this throttle system.”
NHTSA complaint #10332236, filed 2010-05, 24,000 miles“The contact owns a 2008 harley davidson FLHX. The contact received a recall notice for NHTSA campaign id number 08v357000 (fuel system, gasoline:storage:tank assembly:filler pipe and cap) in july of 2008. He called the dealer on august 4,2008 to have the recall repair performed on the vehicle. A technician stated that the parts were unavailable for the recall and they would call him when they arrived. The technician never called back. The contact took the vehicle to another dealer and did not receive a response. The vehicle has yet to be properly repaired according to the recall. …”
NHTSA complaint #10240947, filed 2008-09, 8,030 milesRelated recalls
- 08V357000Jul 30, 2008Harley davidson is recalling 47,579 my 2008 flhp, flhpe, flhr, flhrc, flhrse4, flht, flhtc, flhtcu, flhtcuse3, flhtp, flhx, and fltr motorcycles. These…Covers: Harley-Davidson Flhx 2008, Flhtcu 2008, Flht 2008 +9 more
Related service bulletins
- 11014014Jan 24, 2025SERVICE BULLETIN M1650: MILWAUKEE EIGHT AND TWIN CAM CAMSHAFT DRIVE GEAR RETENTION KIT CHANGES. PURPOSE: This bulletin informs dealers that changes have been made to the Camshaft…
Fuel system: other model years
Other parts of the 2008 Harley-Davidson Flhx
9 complaintsElectrical system
6 complaintsVehicle speed control
5 complaintsEngine
4 complaintsTransmission and drivetrain
4 complaintsOther or unknown
2 complaintsWheels
2 complaintsElectronic stability control
1 complaintsExterior lighting
1 complaintsSeats
1 complaintsSteering
1 complaintsBody and structure
1 complaints
← All problems reported for the 2008 Harley-Davidson Flhx
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology