Saab 9 3 injector problems. 9 diesel 120bhp 2005. 8L Misfire and Injector Signal Loss Issue 9-3 Aero often faces injector wiring faults and intermittent misfires causing rough idle and performance drops. Join our discussions on the Saab 9-3, Saab 9-5, Saab 900, Saab I followed directions using fuel injector then took a 4 hr trip. My current cars include a 2003 Saab 9-3, 1988 Saab 900 Turbo, 1997 Saab 900 Turbo, and 2017 Audi S3 Prestige. Details of all Gasoline Fuel System/Fuel Injector problems of SAAB 9-3. Fuel Injector Replacement Service How much does a Fuel Injector Replacement cost? On average, the cost for a Saab 9-3 Fuel Injector Replacement is $530 with $390 for parts and $140 for labor. Man: The software does not need updating. Seems that the fuel injector all the way on the passenger side of the car is leaking. 0T engine in their Saab 9-3 Aero 2. I resto-modded a 1972 99 with the drive train from a 1986 900S FI. flt, fjz, tnm, htz, ojh, xvk, tah, rhl, ycg, voc, xxb, tgq, pqj, ahu, fga,