2005 Cadillac SRX Q&A

2005 Cadillac SRX Question: 2005 cadilliac srx 3.6. computer said number 3 misfire changed it, car is idling

rough, replaced all spark plugs, thought maybe water was in tank bought water removal from autozone, new fuel filter, when driving down the road car starts to shutter in the back, I'm stumped help, any help would be appreciated. already has a new transmission. -
Answer 1
Water in gas wont pick out only one cylinder to misfire! More likely coil over the spark plug or injector problem. Can swap coil to see if misfire follows the coil. Or see a mechanic. -