Diagsheet

2014 GMC Terrain · symptom sheet

Engine stalls or loses power while driving

  • 49owner reports
  • 85,000median miles
  • $3,000median quote
  • 0involved a crash

Newest report Feb 18, 2026 · checked Sep 9, 2026

166 of the 283 complaints on this car are about the engine. 49 of those describe stalling, which makes it the most reported problem on the 2014 Terrain.

Tick what matches of 49 reports

15
14
32
10
1

What got replaced

Few of these reports name the part that was replaced.

Recalls and investigations

No recall on the engine covers the 2014 model year as of Sep 9, 2026.

What owners paid

7 of the 49 reports quote a price. Each dot is one quote. The middle half runs $2,200 to $6,700.

$2,200$3,000$6,700
$0k$2k$4k$6k$8k

When it happens

The middle half of failures fell between 50,249 and 105,000 miles, from the 37 reports that gave a mileage.

315
217
618
719
1020
521
622
423
324
225
126

What owners wrote

“Tensioner issues keeps breaking the timing chain. . Replaced twice at own cost. Fuel pump/ loss of power while driving. Back up camera doesn't work sometimes. Screen goes black. If key is left in the ignition it starts itself. If you try to use a car charger for a phone the AC shuts off and a "systems error" message pops up. This happens alot. It's an ongoing issue since I bought the car in Feburary this year.”

Filed Jul 1, 2025

“Moved car to shovel drive way. Went to move it back and my car wouldn’t start. Garage says it is the ECM Garage says GM has a hold on the sale/install on f this part as there is a known issue involving all unit including my vehicle and newer. The only recall currently is for exams for 2018 GMC Terrain ECM. My car will sit at the garage indefinitely.”

Filed Feb 17, 2022

“I have had the same oil consumption and car stalling problems as everyone else. When the oil gets low after a few hundred miles, it stalls out when starting from a stopped position. It goes through a quart of oil at less than 1,000 miles. Add me to the list that says they need to recall the 2014 Terrains since they have the same problem as the 2011 to 2013 Terrains that were recalled.”

Filed Feb 15, 2022 · 1,000 miles

Should you keep driving it?

This page can't tell you that. 0 of 49 reports involved a crash. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.

File your own report with NHTSA. Complaint counts are how a problem gets an investigation.

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