Recall: injector wiring can chafe and stall the engine (some 1999 cars)
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What causes "Recall: injector wiring can chafe and stall the engine (some 1999 cars)" on the Mazda Miata NB (1999-2005 US model years), and how is it fixed?
On some 1999 Miatas, the fuel injector harness can touch the intake manifold near the EGR pipe, wear through and short, which blows the injector fuse. Fix: Check by VIN; dealers rerouted or replaced the harness.
Symptoms
Engine stalls and will not restart; blown injector fuse.
Cause
On some 1999 Miatas, the fuel injector harness can touch the intake manifold near the EGR pipe, wear through and short, which blows the injector fuse.
Fix (summary)
Check by VIN; dealers rerouted or replaced the harness.
Related build entries
Other NB problems
- NB1 ignition coil packs wear out and can damage the cat
- Thrust-bearing failure in some 1999-2000 cars
- Clutch chatter in 2001 and some 2002 cars
- Plastic radiator end tanks go brittle; airflow blockage
- Corroded coolant mixing-manifold elbow (NB1)
- Crank and cam position sensor problems
More for this car
- All Mazda Miata NB (1999-2005 US model years) fitment answers · NB common problems
- Guide: Miata NA/NB wheel fitment guide: bolt pattern, offsets, 15x8 sizes and brake clearance
- Guide: Miata NA/NB hardtop fitment guide: NA vs NB, OEM vs aftermarket, latches and seals
- Guide: Miata NA vs NB: differences, known problems and which parts swap
- Newsletter archive: past issues with every new and corrected entry
Sources
- NHTSA recall record 98V-066 (1999 Miata: fuel injector wiring harness) — NHTSA recalls API (regulatory; read 2026-10-26; full page read)
Summaries are in our own words. Not repair instructions; consult the factory service manual.
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