Engine spits, sputters, and tries to shut off?

2017 VOLKSWAGEN JETTA
101,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
JEFF GARTON
  • MEMBER
  • 1 POST
After I start it in the morning it idles rough and after I go a mile or so and come to a stop, it spits, sputters, and tries to shut off. It only does it after it's been sitting all night. If it's warm out it hasn't done it. After the car warms up in the morning it stops doing it most of the time.
May 22, 2024 at 7:38 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Hi,

It could be related to a failing temperature sending unit. If the sensor indicates an inaccurate temperature cold, it will cause the air/fuel ratio to be off.

When this happens, have you ever noticed a strong exhaust smell or seen dark gray or black smoke from the exhaust?

Let me know that. Also, I need to know the correct engine size to look into things. These only came with a 4 cylinder. See pic below.

Let me know what you have and if there are any diagnostic trouble codes set.

Take care,

Joe

See pic below.
Image (Click to enlarge)
Attached Media
May 23, 2024 at 5:47 PM
Advertisement