P1320 Infiniti -

Question

P 1320 code on 99 Infiniti Q 45 with 64,000 miles. Only pops up once in awhile. Felt like motor fluttering. My friend runs an auto tech school and got it to shut off warning light. light came back on 2000 miles later. any suggestions ?

Answer 1

1 or more ignition coil might be bad. you can try to test the coils or buy 2 coils and keep swapping them. if the problem comes back.