Why does my car surge forward when I brake?
My 2013 Chevrolet Cruze ran pretty well for the first 10,000 miles, but now it surges forwards when I press the brakes down hard and rocks the whole car around. It’s an annoying problem that could be really dangerous in the wrong situation.
What causes an engine to surge during a tune up?
Step 2 – An engine’s tune up is a regularly scheduled service, when this service is neglected it can cause the engine to surge. Learn more Step 3 – If a fuel pump or regulator is failing is can cause an unsteady volume or pressure for the fuel system causing the engine to surge. Learn more
How to fix a surging engine in a car?
Easy step by step guide on how to repair an automotive engine that is surging, this information pertains to most vehicles and is listed in the order of popularity. Start with the vehcile on level ground, engine “OFF” in park with the emergency brake set, wear protective gloves and eye wear for safety.
How does a power brake booster work on a car?
Your power brake booster is connected to engine vacuum so if a flammable liquid such as brake fluid were to enter the power brake booster, the engine would be able to inhale that fluid. When the excess ’fuel’ is added to the engine, the powertrain control module (PCM) will increase the idle speed to compensate for this extra ’fuel’.
My 2013 Chevrolet Cruze ran pretty well for the first 10,000 miles, but now it surges forwards when I press the brakes down hard and rocks the whole car around. It’s an annoying problem that could be really dangerous in the wrong situation.
What happens when you have an engine surge?
Basically, when an engine surges, you notice your car speeding up and slowing down even while you keep the accelerator steady. You may notice the tachometer fluctuating, for example, from 1500 to 2000 rpm. At the same time, you may feel a soft and rhythmic jerking motion.
Why is my car surging at idle speed?
When an engine’s computer can “hunt” or “surge” at cruising or idle speeds it is searching for program compliance, there is a problem elsewhere in the system.
Your power brake booster is connected to engine vacuum so if a flammable liquid such as brake fluid were to enter the power brake booster, the engine would be able to inhale that fluid. When the excess ’fuel’ is added to the engine, the powertrain control module (PCM) will increase the idle speed to compensate for this extra ’fuel’.