2020 GMC Terrain SLT - oil consumption / misfiring
Dec 15, 2023 · Hey all. I have a 2020 GMC Terrain SLT - higher mileage (128K) since it's a commuter car. My car is currently at the dealership for assessment, but it's been requiring a …
EPB Service Mode - Issue - GMC Terrain, Equinox, and SRX Forum
Mar 23, 2024 · I did my rear brakes not too long ago on my 2020 GMC Terrain.i used a scanner to retract the rear parking brake actuators but I remember for some reason the drivers side …
Auto Start/Stop GMC Terrain | GMC Terrain, Equinox, and SRX Forum
Oct 12, 2024 · Hello Group; I bought a 2022 Terrain SLT last week...I friggin hate the auto start-stop function but knew that going in, I took this one b/c it has a on/off button to disengage …
Shifted itself into neutral, now won't run | GMC Terrain, Equinox, …
Sep 21, 2024 · 2019 GMC Terrain SLE at 105,000k While slightly accelerating out of a right turn, the engine suddenly raced for a split second and shifted itself into neutral. I believe it also …
Reduced Engine Power - GMC Terrain, Equinox, and SRX Forum
Dec 5, 2020 · Just bought a 2020 GMC Terrain SLE 1.5 4 cyl. only 340 miles. Just had the Engine light come on with Reduced Engine Power displayed on the dash. On Star tells me there are …
P0299 (Turbo/Supercharger Underboost Condition): | GMC Terrain, …
Apr 5, 2025 · See more Grubbz -- 2018 GMC Terrain SLT MillDude, Melslky13 and rblapham Reply Like 10
Acceleration Issues - GMC Terrain, Equinox, and SRX Forum
Aug 10, 2024 · I have a strange issue going on with my wife’s 2020 GMC Terrain with the 1.5L turbo. Sometimes when the car is first started or a few minutes afterwards there have been …
Terrain randomly wont start, brand new battery. | GMC Terrain, …
Oct 8, 2024 · Hi new here. So for the last past 6 weeks or so my 2020 terrain will randomly not start - always after it’s been sitting over night. First time this happened was the day after oil …
Intermittent P0299 code troubleshooting | GMC Terrain, Equinox, …
Apr 12, 2025 · I have a 2019 GMC Terrain SLT with 117,000 miles. (It was a rental vehicle before I bought it in 2020) Two weeks ago the check engine light came on and I went to an auto parts …
2019 Equinox 1.5 with P0299 - GMC Terrain, Equinox, and SRX …
Jan 12, 2024 · Equinox started throwing a P0299 underboost fault, and goes into limp mode and wont get out of its own way. Clear the fault and boost comes back and runs fine temporarily, …