It’s very rarely a good indication that the engine in your GMC Terrain is behaving abnormally. This is because the engine is the main part of your car and any indicator of abnormal running must be noticed instantly and you must look for the trigger of the failure. If it comes about that your GMC Terrain is hesitating during acceleration, we have done this guide to help you find the trigger of your failure. We will now take a look at all the possible triggers your GMC Terrain having hesitation in acceleration.
GMC Terrain WHICH hesitates while accelerating RESULTING FROM THE IGNITION:
So let’s start our recap of the triggers that can generate hesitation during GMC Terrain acceleration. One of the most known triggers is that your ignition breaks down. We speak about ignition, but we can also generalize the malfunction to the ECU which by itself can transmit bad info that will affect your ignition. It’s possible that your GMC Terrain a has gone limp mode, don’t hesitate to go through this guide for more info. In order to check that one of these malfunctions is not the generate of your GMC Terrain having acceleration difficulties, you will have to “suitcase” your car. Also, you can look at the condition of your ignition coils, if you have more than one and one is defective it may be the motive for the couplings, acceleration holes that you feel, if you only have one generally your GMC Terrain should not start.
Hesitation during GMC Terrain acceleration DUE TO THE INJECTORS:
Now let’s look into the injector-related mishaps of your GMC Terrain’s fuel injectors. If you find out this feeling that your car is grazing, it is quite possible that due to poor fuel quality one or more of your injectors have become clogged or obstructed, leading to a bad air/fuel mixture to be delivered to the engine block and therefore automatically disrupt its normal operation, do not miss to check your injectors. If during the test you uncover that one of your injectors is leaking on your GMC Terrain, please go through our small file to solve this malfunction.
Hesitation during GMC Terrain acceleration DUE TO THE ACCELERATOR CABLE:
Another possible explanation why you come to feel hesitation during GMC Terrain acceleration, whether you are driving, stationary, hot, cold or accelerating, is that your throttle cable is badly worn. If your accelerator cable is in a severe condition of wear, it will not slide effectively in its sheath and will snap, check the level of wear of your accelerator cable.
GMC Terrain that hesitates when accelerating RESULTING FROM THE FUEL FILTER:
As much as the fuel filter is associated, we’re dealing with the same sort of trouble as clogged injectors. If your GMC Terrain is clutching and you come to feel like it is grazing or you have holes when accelerating, your fuel filter may be stuck. The consequence would be that your whole intake system would be running at idle and therefore your engine would lack fuel supply to go normally. Don’t miss to check it and change it if necessary. If you ever get the feeling that your GMC Terrain is going up in laps by itself, go through our tutorial it should help you to discern the origin.
Hesitation during GMC Terrain acceleration DUE TO THE PARTICULATE FILTER:
The last justification for an hesitating GMC Terrain during acceleration. Modern cars are equipped with increasingly more options to limit emissions, the particulate filter is part of this package. Nevertheless, dependent on how you use it, it can become clogged and dirty. Specifically if you drive short distances and don’t push your engine hard frequently. If this is the case, it is possible that your ACP could become congested and your GMC Terrain could give you acceleration concerns. Have it checked.
Hesitation during GMC Terrain acceleration RESULTING FROM A PUNCTURED HOSE:
To summarize, the last trouble, and surely the least annoying for you, it is possible that one of your fuel or air intake hoses is punctured or cracked and that it triggers a lack of air or fuel which will result in an GMC Terrain that gives acceleration troubles, check under your hood, engine on, the level of wear of your hoses, be careful not to burn yourself. If this happens to you, your GMC Terrain may not be able to idle, in which case take a look at our little article to handle the malfunction in depth.
If you wish more tutorials on the GMC Terrain, go to our GMC Terrain category.