2018 Hyundai Elantra fuel system problems
The 2018 Hyundai Elantra has 23 fuel system complaints filed with NHTSA — 6% of the year's total, and roughly flat versus the prior model year.
23
Fuel System complaints
6%
Share of year
1
Crash-involved
0
Related recalls
Fuel System complaints by year
What owners report
“Initial Fault Code: P0303 Replaced all 4 spark plugs and all 4 ignition coils. The check engine light extinguished momentarily but returned, logging P0303 and a new P0301 Replaced all 4 fuel injectors. CEL extinguished momentarily and then returned, logging P0303. Replaced the entire engine…”
Common questions
How many fuel system complaints does the 2018 Hyundai Elantra have?
NHTSA has 23 complaints about the 2018 Hyundai Elantra fuel system — 6% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.