2002 Audi A4 Electrical System:ignition Problems
NHTSA component category: ELECTRICAL SYSTEM:IGNITION · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How electrical system:ignition ranks on this vehicle
Share of the 181 complaints citing each category; one complaint can cite several. Full breakdown on the 2002 Audi A4 overview page.
What owners report
“FAILURE OF ENGINE IGNITION COILS ,CAUSING VEHICLE TO LOSE POWER, AND CREATES SURGING AND SHAKING OF VEHICLE, MAKING IT UNSAFE TO DRIVE. HAPPENED SUDDENLY WHILE…”NHTSA complaint 10186059 — filed 03/24/2007
“- THE CONTACT STATED THAT THERE WAS A BAD IGNITION COIL IN HIS 2002 AUDI A4 CAUSING THE VEHICLE TO VIBRATE VIOLENTLY RESULTING IN HIS…”NHTSA complaint 10181902 — filed 02/07/2007
“THE IGNITION COIL MADE THE VEHICLE RIDE ROUGH. WHILE DRIVING, THE VEHICLE LOST POWER AND CUT OFF. THE DEALER STATED THEY WOULD ONLY REPLACE 1…”NHTSA complaint 10004773 — filed 09/02/2003
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System:ignition complaints by year filed
Frequently asked questions
Does the 2002 Audi A4 have electrical system:ignition problems?
Electrical System:ignition is the most-reported problem area on the 2002 Audi A4: 50 of 181 complaints on file (27.6%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2002 Audi A4 have in total?
181 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 13 involved a crash, 6 involved a fire, 4 reported injuries, and none reported deaths.
What does NHTSA's electrical system:ignition category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM:IGNITION category exactly as NHTSA defines and records it.