What are the reasons for the GAC Trumpchi GS4 not responding when starting?
2 Answers
There are several reasons why the GAC Trumpchi GS4 engine does not respond when starting: 1. Decreased battery storage capacity: Vehicles generally use lead-acid starting-type valve-regulated batteries, which are sensitive to temperature, especially old and low-quality batteries. The starting motors of large-displacement vehicles are at the kilowatt level, with instantaneous current exceeding 100 amperes during startup and significant power consumption. Poor-performing batteries experience severe voltage drops. The transistors on the ignition device cannot generate sufficient primary voltage to supply the ignition coil, resulting in weak spark plug firing capability and difficulty in starting. 2. Poor or incorrect engine oil selection: In winter, if the viscosity of the engine oil increases significantly, the internal resistance of the engine also increases. Generally, a vehicle requires the crankshaft to reach 200 rpm to start. Additionally, the induction voltage of the contactless trigger coil in the engine may not meet the requirements, causing the ignition device to lack a signal and fail to ignite.
When the GAC Trumpchi GS4 fails to start, it is usually related to a dead battery. I have encountered this situation before, where the battery aged in low winter temperatures caused the issue. The starting system might also have problems, such as poor contact with the ignition button or the anti-theft system being activated. The check is simple: first, see if the dashboard lights are on. If the lights are dim, it means the battery is dead; if there are lights but no response when starting, try unlocking the doors again or shaking the steering wheel to unlock. Don’t overlook the fuel system—an empty or low fuel tank can also cause this, so pay attention to whether the fuel gauge on the dashboard is accurate. Preventive measures include regular maintenance to test the battery voltage and replacing the battery before it fails. For safety, avoid repeatedly attempting to start the car to prevent further damage, and directly contact a repair shop or call for a tow truck.
