Intake valve wear causing cold-start failure and rough idle
ENGINE
54 NHTSA complaints · 2013-12 → 2020-12
“HARD STARTING COLD WITH ENGINE MISFIRE AND LOW COMPRESSION, VEHICLE STARTS AND RUNS NORMALLY WHEN HOT 2007-11 9-3 B207 & 2011 9-5 A20NFT”
“THE ENGINE WOULD NOT TURN OVER WHEN TRYING TO START THE ENGINE FROM A COLD START. IF THE TEMPERATURES WOULD LOWER CLOSE TO FREEZING THE CAR WILL JUST CRANK AND NEVER TURN OVER. IF I WERE ABLE TO GET THE CAR STARTED, ONCE IT WARMED UP, IT RAN JUST FINE”
“FOR THE SECOND YEAR IN A ROW, WITH TEMPERATURE IN THE TEENS, THE CAR WILL NOT START DUE TO BAD INTAKE VALVES. AS NOTED BY MANY CONSUMERS ON SEVERAL SAAB FORUMS, THIS ENGINE LOSES SIGNIFICANT COMPRESSION IN THE CYLINDERS CAUSING DIFFICULT STARTING”