2013 Hyundai Tuscon backfires and check engine light comes on. Backfiring is only during the first few minutes of operation. After it warms up a few minutes, it runs ok. Local Hyuandi deal had it for over 2 weeks and can't find a problem or fix it.
SOURCE: Jeep GCL Backfires Stalls
Aaron, I had the same problem. It is the most expensive part of course the computer. I replaced everything as well till I replaced it. They are remanufactured and have had problems with them as well. I am on my third one now at 200k miles. Oh and by the way it does not show up on the diagnostic check. Good luck
Frank
SOURCE: engine stalls, check engine light, not fuel filter.
the white smoke as it stalls could be steam in the exhaust. This is caused by coolant leaking into cylinders from a leaking head gasket. You should check cylinder compression next with a compression tester.
SOURCE: What would make my 1999 Chevy Blazer 4x4 with a 4.3L Vortec engine suddenly start backfiring?
I know there are a lot of solutions here but I would concentrate on a couple of known issues for the 99 4.3l engine. Remove the distributor cap and rotor, check the reluctor wheel under the rotor and make sure it is not loose on the distributor shaft. The other issue is a worn distributor gear, you will notice a lot of freeplay when you try rotating the distributor rotor back and forth.
Last but not least, spray the inside of the distributor cap, the rotor and the inside of the distributor, this will remove and prevent moisture build up causing the backfire issue you are experiencing...
Good luck.
SOURCE: Sudden loss of power, Backfiring, starts then stalls
The car still runs and drives, just no power and shakes badly during acceleration. Could the timing belt have jumped? Could this happen while driving yet the car still runs?
Please see my tip at http://www.fixya.com/cars/r5932051-check_engine_light_check. These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.
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