GMC Terrain GMC Terrain

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GMC Terrain repairs by problem area

Engine (38%)

Transmission and Drivetrain (7%)

Brakes and Traction Control (4%)

Suspension and Steering (7%)

Electrical and Air Conditioning (23%)

Paint, Rust, Leaks, Rattles, and Trim (13%)

Other (8%)

Chart based on 528 repairs.
See TSBs and recalls for the GMC Terrain.

GMC Terrain engine repair cost distribution

$2500+ (2%)

$1000 - $2499 (8%)

$500 - $999 (10%)

$100 - $499 (15%)

< $100 (64%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 126 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2018 GMC Terrain 4dr SUV

turbocharged 137hp 1.6L I4 Diesel 6-speed shiftable automatic 4WD

28000 mi Diagnosis of CEL. In need of EGR heat exchanger replacement. Parts currently on back order. CLE EGR cooling system performance - new software download to attempt to correct. 
24000 mi Exhaust Gas Recirculation (EGR) heat exchanger replacement. Original not able to maintain temp in required band causing check engine light (CEL). Issue did not result in drivability issues only CEL. 

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2016 GMC Terrain 4dr SUV

301-horsepower 3.6L V6 6-speed shiftable automatic FWD

43000 mi Check engine light. Purge valve on evaporative emission canister was stuck. Replaced solenoid valve. 

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2015 GMC Terrain 4dr SUV

301-horsepower 3.6L V6 6-speed shiftable automatic AWD

26000 mi Car makes a loud ticking noise in cabin of vehicle after warmed up dealer said it was the purge value,second time in it could be the water pump not repaired....compass in car not working dealer didnt know how to fix it...burns oil no fix Yet 
31000 mi

US $90
Rodents chewed through wires for oxygen sensor- replaced pigtail. Seems rodents like wires because made from soy based products for insulation. Put rodent repellent tape on exposed wiring. 
31000 mi Low oil level warning message even though manually checking was full. Replaced Fuel pump/oil pump unit. 
95000 mi

US $428
replace purge canister replace serpentine belt 
100000 mi

US $700
Replaced spark plugs and 3 rear coil packs ***WARNING*** For tune up on v6 you have to remove intake manifold to get at rear bank of cylinders. Replaced 3 rear coil packs also "just in case" so wouldn't have to remove manifold again if 1 of coil packs went bad. Full tuneup with 6 plugs and 6 coil packs 800.00. 

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2015 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic FWD

52000 mi

US $350
Car was idling rough and stalling upon takeoff. Camshaft position actuating solenoid was replaced. 
1000 mi Bad gas mileage 
2900 mi code P0662B Crank No Start Due to Internal In ECM. Solution: 4025390 engine control module replacement. 

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2015 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic AWD

32000 mi

US $317
Muffler resonator had hole in it 

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2014 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic FWD

54000 mi Cam actuator replaced. 

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2013 GMC Terrain 4dr SUV

301-horsepower 3.6L V6 6-speed shiftable automatic AWD

37200 mi

C $300
starts and shuts off dealer unable to fix 
64000 mi

US $150
Water pump bearing started making noise, pulley became loose. No visible leaks or loss of coolant. Replaced water pump, idler pulley and serpentine belt as well as changed coolant. 

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2013 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic FWD

51000 mi replaced timing chains, no cost due to extended warranty 
76000 mi

US $500
Oil leakage 3-4 qts due most likely to piston seals gone bad. Out of warranty. 
60000 mi

US $719
PCV Orifice frozen over. Removed Intake to expand PCV orifice to prevent freezing. 
61000 mi Replaced timing chains 
51000 mi

US $701
Intake solenoid bad, replaced both intake and exhaust. 

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2013 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic AWD

52000 mi Timing chain busted and bent pistons. Dealer installed new refurbished engine 
10400 mi Flexfuel sensor went bad. Dealer attributed to very cold temperatures. Delay getting part. 
1240 mi Engine is making a snapping/popping sound same as when the 2012 model we owned did. Nothing has been done, But I believe the my ex wife is in for the same problem. Replace head or whole engine. It will work crappy afterward, poor fuel econ. 
11700 mi Intermittent stall 

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2012 GMC Terrain 4dr SUV

264-horsepower 3.0L V6 6-speed shiftable automatic AWD

22700 mi First trip to the dealer they did the de-carbonization, then on the second trip and 1 week in the shop they found excess carbon buildup on the intake valves and have replaced 3 injectors, added fuel treatment and recommended the top tier gasoline to us. 
35000 mi Air Intake was loose allowing for lean condition causing power loss Key would not turn in ignition 
75000 mi

US $250
Check engine light.stabilitrac needs service, reduced engine power' displays all at same time. Turn car off. Wait. Then on. Just engine lite. Code is P0191. Replaced fuel rail pressure sensor. 
83700 mi Leaking. Water pump bad. Covered under the 100k powertrain warranty! 
46500 mi

$1300
Coolant leak was found during service. Replaced the water pump. 

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2012 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic FWD

46860 mi Timing chain and tensioner assy 
45000 mi

US $5000
TOTAL ENGINE REBUILD. RINGS, TIMING CHAIN, SEALS, ETC. TOTAL ENGINE REBUILD. RINGS, TIMING CHAIN, SEALS, ETC. 
28000 mi

US $198
Air sensor and battery replaced 
11600 mi OLM software reset 

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2012 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic AWD

10540 mi Oct. 2012 Engine was replaced due to defect.(using oil). Under warranty. Before this repair was performed, vehicle worked perfectly, excellent performance. Once repair was done, vehicle worked terrible,poor fuel mileage, engine sputter etc. 
75620 mi Ex solenoid replacement. Check engine light on. 
35000 mi Actuators, lower solenoids, timing chain, seals, replaced. Oil flushed. Timing chain lost durability making it loose. 

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2011 GMC Terrain 4dr SUV

264-horsepower 3.0L V6 6-speed shiftable automatic AWD

12084 mi L0618 SENSOR, FUEL TANK PRESSURE-RPL 13500745 SENSOR 12641740 PUMP,FUEL 
22400 mi CC was shot, had been since day 1. 
26683 mi INSPECT AND REPORT FOR CHECK ENGINE LIGHT ON. DIAG 1.0 IF CP CUSTOMER BELIEVES THAT IT MAY POSSIBLY BE A CAT CONVERTER. WAS IN FOR SAME ISSUE ON RO# 1009189. CAT CONVERTER ORDERED 4050880 Catalytic Converter Replacement - Left Side 2 15032594 NUT 1 20893953 GASKET 1 25800997 CONVERTER 1 25801015 GASKET replaced bank 2, (left side) catalytic converter 4050880 
5000 mi The power control module failed. The car had to be towed to the dealer. The module was repaced. 
10000 mi The car -- for whatever reason -- went into "theft" mode and locked out the ignition. They had to reprogram the computer. 
2000 mi Vehicle prematurely bumping rev limiter in first gear, causing hesitation during WOT. Software reflash fixed the problem. 
5019 mi Starter stays engaged still not fixed Transmission jerks when at a stop and take off. Was told its the memory in the transmission would stop at 5000 miles however when told we were already over 5000 miles! Still doing it to this day.  
30380 mi Purge Valve system was rattling up against the firewall creating noisy rattling at idle. There is a GMC 'silent recall' on this issue. 

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2011 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic FWD

24800 mi timing chain and seals and water pump replaced 
28800 mi It was a sensor. Car started fine, but kept stalling. 
15000 mi Engine head pulled and clogged oil port cleaned due to oil starvation. Fiber from skinless oil filter was causing an oil starvation/pinging. 
47000 mi Earlier repair: an engine port clogged and required the dealership to pull the heads due to oil starvation. 
106000 mi Extreme oil consumption. Rings, bearings, gaskets, some sensors 
28000 mi Engine would shut off as I was driving in parking lot. There was a problem with emissions. Had it repaired under warranty. 
70900 mi

US $1100
Engine would idle roughly and shut off when stopped at traffic lights. 
228832 mi

US $824
Timing chain failure due to guides breaking apart. Ordered new Cloyes timing chain kit and replaced. Changed crank seal. Verified PCV system was not restricted. Changed oil, filter and antifreeze Spark plugs were fouled out. Ordered new AC Delco plugs and installed. 
229320 mi

US $48
The exhaust manifold was cracked into. I ordered a new exhaust manifold and replaced it. 
6820 mi 6 weeks ago started noticing carbon where vehicle is parked & started several times a day & gas mileage has gone up. Was told this is normal & given printouts from GM. Don' think they did anything. 
7740 mi Gas mileage poor & carbon where parked & started. Dealer kept car 3 days & drove it. Adjusted muffler/exhaust. Advised to keep eco button on & monitor. If still problem to bring back. 
6000 mi Check Engine Lite Intermittant. Dealer upgraded software. Light went off and has stayed off so far. 
40200 mi solenoids on camshaft were faulty. replacement under engine warranty 
59000 mi oil leak showed up 2 wks after oil change. took it back to dealer, they removed the oil filter, cleaned gasket(dirt under gasket),and changed oil. 
60000 mi car continued to leak oil after repair in August. Complained and had a new gasket installed on the oil filter cap. This seems to have fixed the problem, will monitor for oil leaks. 
99000 mi

US $320
vehicle was stalling then starting, fjel sensor showed to be unreliable running diagnostics, Sensor was replaced. 
76700 mi Car turned off while in drive 
80000 mi

US $300
Car cut off while in drive 
94000 mi

US $860
Heard a whirring noise when accelerating. Also the temp gauge was going up and down. Replaced thermostat and water pump and had cooling system flush. 
84000 mi Check engine light diagnosed at AutoZone as P0013 and P0014, exhaust camshaft position actuator valve control circuit "had a fault lodged or was disconnected for a predetermined period of time." The next day, the engine light was not on, so I did nothing. Now it seems to be on some trips and not others. 
1100 mi Check engine light came one. Vaccum seal around dipstick faulty so repaired. Service Soon Light On (check engine). Found lean codes in memory, inspected engine for vacuum leak S. found dip stick tube not sealed properly. Repaired and road tested vehicle 
2000 mi SES Light IS On J5672 .8 OHL .9 DIAG SMOKE TEST EVAP, FUEL SYSTEM. INTAKE GASKETS. NO LEAKS DETEC. RELPALCED MASS AIR FLOW SENSOR. REPLACED THE SENSOR AND ROAD TESTED VEHICLE. 
12000 mi engine oil smelled of gasoline, fuel pump confirmed leaking and replaced. 
36000 mi Replace timing chain and tensioner or guides retrieve broken guides from oil sump replace oil 
44400 mi Engine noise at start up timing chain was stretched. The timing chain was also stretched with broken tensioners in November 2015. This makes 3 timing chains on this car, something is seriously wrong. 
45500 mi

US $2812
Engine noise at start up, poor fuel economy and performance. Replaced fuel pump this was the third fuel pump on the car  replaced an intake and exhaust valve two camshaft actuators. replace noisy serpentine belt 
54000 mi

US $490
Hoped for a diagnosis on engine noise. I've been hearing this noise since early 2016, it's very easy to duplicate. It happens about every other start yet they tell me they don't hear it. 
20000 mi Vehicle bought back due to diesel-like engine noise, gas in oil that kept coming back despite about eight repair attempts. Replaced oil pump and timing chain, performed TSB for actuator. 
41000 mi Makes funny noise on acceleration like it was gasping for air, dealer could find no issues, still makes the noise, there was a warranty recall for the same issue for other Terrains but not my model. The dealer was totally unhelpful. 
63000 mi Engine check light 
89000 mi Poor gas mileage, burns oil 
4000 mi Twice the car would not start. Had to have road service twice. 
3000 mi thought I smelled gas in oil. dealer tested, said no contamination present. changed oil, request return visit in 30 days. 
9000 mi excessive ticking noise. insulation shield installed. 
2000 mi Engine sputtered and vehicle cut off while coming to a stop in parking lot. Towed to dealer who reset engine light (reported engine control system error) but could not replicate issue. Returned after 12 days replacing intake cam solenoid. 

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2011 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic AWD

16000 mi

US $26
MÁS air flow sensor changed 
7000 mi Service engine soon light came on. Same rattling noise. GM tech support still does not know how to fix cleared code and reprogramed computer for start up fuel to air mixture. 
8000 mi Engine stalling. GM didnt know how to fix, replaced cam actuator. Makes rattling noise when it starts. 
8408 mi GM cant figure out how to solve problem. Loud rattle from motor when it starts. Sounds like a diesel engine starting. car stalls out on trip. GM cant fix and cant get to replicate. Gm cant figure out how to solve problem. Loud rattle from motor when it starts. Sounds like a diesel engine starting. car stalls out on trip. GM cant fix and cant get to replicate 
12760 mi At -20C after being garaged in my garage, the car has on several occasions stopped and blown cold air into the vehicle. They supposedly fixed it but we haven't had similar weather. Dealer attempts to twist the truth baffles brains. 
17980 mi Still having problem with vehicle computer, got rid of it. 
27000 mi Camshaft actuator solenoid replaced 
32000 mi Open circuit in throttle position sensor - replaced throttle body 
34700 mi

US $311
Throttle position sensor failed, pedal position sensor, replaced pedal position sensor. 
62000 mi Timing chain replacement, special warranty. 
57800 mi

US $180
Exhaust leak, replaced resonator 
110000 mi

US $478
Cracked Exhaust Manifold 
115000 mi Excessive piston ring wear causing oil consumption. Covered by GM special extended warranty. Faulty catalytic converter. Replaced under GM special extended warranty. 
117000 mi

US $508
Pedal position sensor and battery replaced 
12400 mi Engine light on; rough idle; severe jerk at times. The mechanic told me I needed to change oil more often and drive train needs replacing 
14260 mi Same as before. Rough idle, almost stalling at times, kicks on acceleration. 
19560 mi step on gas, hesitation then forward thrust. Not as much power on acceleration. 
12400 mi The rough idle/jerking/surging was never resolved. The dealership said they could not find anything wrong. It was definitely a problem and thats why we got rid of it. We were not happy at all with the vehicle and considered it a lemon. 
102896 mi

US $344
the intake cam solenoid went out dealer relpaced 
31000 mi Recall for rough idle 
75000 mi Replaced catalytic convertor. 
110000 mi

US $115
Said it was the timing chain streched and it damaged the engine. My extended warranty paid for a new engine. 
81220 mi

C $13
Muffler leaking, cut the leaking portion off and replaced with new one, didn't change the whole exhaust pipe. 
16600 mi return for rattling noise on startup. showed dealer a TSB. they ordered a part. also got a check engine light before taking to dealer. code was P0011.cam error. dealer installed part. next day was rattling again.. returning to dealer again for rattling startup noise. rattling noise at startup..GM is aware of this issue with the 2.4 I-4 engine..they have no fix at this time. rattling noise on startup..couldnt dupicate. ordering parts to do a tech bulletin. parts installed (actuators-cam) still have the same issue check engine light,rough idle. stalled once. 
18000 mi GM called me that they had a repair for the Rattling startup noise that I have had for 6 months and 4 past unsuccessful visits. Said it was the Oil pump and needed to replace. Dealer replaced the oil pump per GM..the rattling came back. 
20000 mi The vehicle is on the Final Repair Attempt for lemon law. Same issue for past 7 months..intermittent rattling startup noise..Dealer had it for 5 days, couldnt duplicate the issue..nothing was done..2nd day having it back..I had the noise.. rattling startup noise issue still..in the repair shop at dealer for Final repair attempt per the lemon law, with GM 
24000 mi Received financial settlement from GM. Kept the Terrain, living with the noise. Update: traded it for a 2012 with the V6. reoccurring check engine light several times in the last week of ownership (codes related to cam/rattling startup) 
71300 mi Engine rebuild due to excessive oil consumption. New pistons, rings, timing chain, tensioner and fuel pump. 
67060 mi

C $1989
Exhaust manifold was leaking and loud. 
85560 mi Check engine light came on. GM tech says the error is caused by the catalytic converter. Will need to be replaced in the future. 
86180 mi Excessive oil consumption. Pistons and rings replaced. Balance and timing chain replaced. Seals, gaskets, bolts replaced. Catalytic converter causing check engine light. Converter needed replacing. GM recently announced a recall on catalytic converters for our model of car, just so happened that our first warning light came in a month after the recall was released so it was repaired along with our oil consumption warranty. (could be related to the oil use issues too?) 
77000 mi Vehicle was consuming oil along with timing chain noise. New pistons and piston rings were installed to include the replacement of the timing chain. 
89000 mi

US $550
Car kept stalling along with a check engine light. The cam shaft position sensors were replaced. 
17360 mi

C $80
Loud rattle on cold start. Sounds like a diesel starting again. Occasional loss of power. 

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2010 GMC Terrain

Engine not specified

15300 mi I Have Difficulty putting in gas. The Nozzle keeps Shutting off. I can't put the nozzle on automatic it keeps shutting off. I can't put gasoline in at any level. It will continually shot off. The dealer says there is nothing wrong with it. 
7000 mi Key would not come out of the ignition. 
22940 mi Fuel pump pumping fuel into oil wire snapped causing check engine light 

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2010 GMC Terrain 4dr SUV

264-horsepower 3.0L V6 6-speed shiftable automatic FWD

12700 mi Powertrain control module reprogramed 
8000 mi Ongoing engine misfire problem that dealership couldn't fix from June thru Oct...GM bought back. 
38000 mi 5/18 engine stutter @highway speeds.Ck engine lt on but did not stay on. Complained several times prior but dealer could not duplicate problem.Svc tech drove it home and experienced prob.Replaced spark plugs. Still an issue, not fixed 
54000 mi I backed my car out of garage to clean it. Later when I went to pull it back in, it wouldn't start, wouldn't turn over, just kept cranking. After ~10 attempts, on the last try giving it gas (pedal to the floor) it finally turned over. 
102800 mi

US $712
radiator split at the seam 
65000 mi Check engine light on 

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2010 GMC Terrain 4dr SUV

264-horsepower 3.0L V6 6-speed shiftable automatic AWD

77000 mi

US $600
replaced the radiator 

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2010 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic FWD

104000 mi

US $800
Leak radiator 
132000 mi

US $430
Oil leak and seals 
139000 mi

US $960
Catalytic converters replaced 
6000 mi Engine burned through 8 quarts of oil in 4500 miles. Oil consumption test was performed, and GMC decided to replace engine completely after finding that two cylinders were bad for different unknown reasons. 
38000 mi If the vehicle in the cold for several hours, about 3-4 minutes after it is started there is a "popping" noise that comes from the catlytic converter area. It does it approx. 5 times, then several times in rapid procession. 
33000 mi 2010 Gmc Terrain Fuel System, Gasoline Service Bulletin 220189. check engine light on; dtcs p0172 and p0175; engine runs rough (follow diagnosis and replace high pressure fuel pump). *pe updated 3/28/11.  
46700 mi Timing chain tensioner and related parts replaced 
94700 mi Codes for misfire and fuel delivery. High pressure fuel pump replaced. 
21800 mi There would sometimes be a loud rattling noise when cranking the car.  
52000 mi fuel pump knock, known issue that GMC paid to repair 
62000 mi Oil consumption- new pistons and rings 
73000 mi

US $40
Remove resonator 
13640 mi Engine pinging on gentle acceleration. Cured by using Premium fuel. 
49000 mi

US $400
Noisy valve tapping 
36000 mi Replaced timing chain, idler & water pump 
19300 mi camshaft actuator replaced 
42000 mi Misfires @ startup & on deceleration 
6000 mi High pressure fuel pump was over fueling the engine causing low mpg, louder direct injection noises and lower preformance. 
16000 mi Engine rattle that was heard but GM has issued a TSB saying they know the noise exists but no fix is out yet. 
26660 mi Engine was continuing to run after key was shut off, dealer replaced high pressure fuel pump and changed engine oil, (diluted with gasoline) 
47120 mi Camshaft tensioner worn out 
40000 mi Engine was making noise. Dealer replaced drive belt and water pump tensioner. 
112000 mi

US $1900
the timing chain jumped a few teeth. damage caused required replacement of timing chain and tensioner, cam actuators, and assorted small timing-related parts. 
113100 mi

US $50
GM has a recall for oil consumption. Replaced pistons and rings, timing chain, fuel pump and spark plugs. 
100000 mi

US $4400
Car had a noise at idle for a while. Dealer offer to perform a special exception out of warranty repair on the balancer components. Also offered to replace timing belt/chain at no additional labor cost if I bought parts. 
100500 mi After the previous repair the car was using a quart of oil about every 1200 miles. Upon bringing this to the attention of the dealer I was told there was another special exception from GM to overhaul the engine, specifically to replace ring 
56000 mi both timing chains were slack and had to be replaced. while being replaced, the engine (full of sludge) had to be cleaned. 
38300 mi

US $150
High pressure fuel pump needed to be replaced, and since engine was opened up, I opted to pay for a new timing chain at dealer suggestion since it was done with no labor charge. 
47500 mi Excessive oil consumption. Changed out pistons and rings 
101800 mi

US $1500
Terrain overheated after almost 2 hrs of driving. cooled off then, drove about 2 mins and overheated again. Towed to dealership. GM dealership said "water pump" but replaced it 2x drove it and overheated....dealership said "timing chain" 
105000 mi

US $450
Engine make a noise at slow speed of about 10-15 mph. They took the engine out and replaced the timing chain. I think. or, the drive chain. 
79000 mi

US $520
Catalytic converter 
41000 mi Had knocking sound. Service Advisor said timing belt was going out and water pump needed replacing. 
76000 mi noise, turned out to be timing chain. started 5,000 miles after replacing motor. 
27000 mi stabilitrak light on, check engine light on, replace high pressure fuel pump. 
42000 mi Water pump chain snapped. 
47000 mi

US $2000
Check engine light with codes P011, P016 and P017. After receiving diagnosis and repair estimated I opted not to fix the vehicle. 
117000 mi

US $2000
Oil consumption service bulletin, led to service dept replacing all four piston rings. 
117000 mi

US $2000
Had to replace engine 17000 miles after repair. The #4 piston rod let go and exited the bottom of the engine. Dealership wanted $8,000 to replace the engine. The warranty was for 16,000 miles and/or 1 year. After 2 weeks of haggling back and for the between myself GM customer service (HAHA...customer service.....????) and the local dealership I ended up paying $2000 to replace the engine and while it was in the shop they cracked my windshield. Which was fixed on my dime. 
6890 mi Had to be towed trans lost power dirt in trans 
72000 mi Bad Exhaust Manifold 

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2010 GMC Terrain 4dr SUV

182-horsepower 2.4L I4 6-speed shiftable automatic AWD

2000 mi Transmission shifting issues. Transmission didn't know which gear to go into while speeding up to highway speeds and car jerked back and forth until gas pedal was released. Dealership knew of existing problem but said there is no fix yet. 
21700 mi Defective vent valve solenoid, replaced engine code P0449 
29000 mi Chain drive for water pump broke and had to be replaced. 
33000 mi Discovered an oil leak between the engine and trans. Dealer couldn't find. 
4340 mi High pressure fuel pump not working properly. Over-fueled engine and filled crankcase with gasoline. Caused car to run very rough. 
70760 mi warranty recall due to excessive oil consumption. Rings, pistons and related parts replaced 
8000 mi Engine running rough, no power. Service engine light and Stabilitrak light on for 200 miles. Took to dealer. They couldn't duplicate problem. Did nothing, even though computer stored trouble code. Didn't have diagnostic equipment. Engine running rough again. Service engine light on. Same trouble code as before. This time dealership bought a laptop to hook up to computer and actually drive vehicle. Replaced high pressure fuel pump, and injectors. 
52000 mi Said it must be bad gas. Fill up at same place everytime.That explanation has been used before for same problem. 
23880 mi High pressure fuel pump was replaced 
68200 mi

C $1400
Fuel Pump inside fuel tank stopped working 
34000 mi timing chain 
51000 mi Faulty high pressure fuel pump. Faulty throttle body 
51700 mi Faulty timing chain 

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GMC Terrain Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently GMC Terrain problems occur, check out our car reliability stats.