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2002 Audi A4 Electrical System:ignition Problems

NHTSA component category: ELECTRICAL SYSTEM:IGNITION · data through 07/14/2026

50Electrical System:ignition complaints
27.6%Of all 181 complaints
#1Most-reported category

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

ELECTRICAL SYSTEM:IGNITION50 · 27.6%
ELECTRICAL SYSTEM17 · 9.4%
EXTERIOR LIGHTING15 · 8.3%
ENGINE AND ENGINE COOLING:ENGINE13 · 7.2%
POWER TRAIN:AUTOMATIC TRANSMISSION11 · 6.1%

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

3220021520031200622007

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.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.