If your engine is revving high while idling, it can be a frustrating and potentially worrying experience. I know how important it is to have a car that runs smoothly and safely, so let’s dive into what might be causing this issue and how to get it fixed.
Symptoms of a high idling engine
When your engine is idling too high, you may notice a few key symptoms:
- Increased engine noise and vibration
- Higher than normal RPMs (usually above 800-900 RPM when warm)
- Jerky or rough shifting in automatic transmissions
- Decreased fuel efficiency
Common causes of high idle
There are several reasons your engine might be revving too high at idle. Some of the most common culprits include:
- Faulty or dirty idle air control (IAC) valve
- Vacuum leaks
- Malfunctioning sensors (coolant temp, mass airflow, throttle position, etc.)
- Incorrect ignition timing
- Leaking fuel injector seals
- Stuck throttle plate
Diagnosing and repairing high idle issues
To properly diagnose the cause of your high idling engine, it’s best to bring your car to a qualified mechanic. They will typically start by running a diagnostic scan to check for any error codes that could point to the underlying problem.
Depending on the cause, the repair process may involve:
- Cleaning the IAC valve and throttle body
- Replacing vacuum hoses, gaskets, or seals
- Adjusting the ignition timing
- Replacing faulty sensors
- Cleaning or replacing fuel injectors
Cost of high idle repairs in New Zealand
The cost to fix a high idling engine can vary depending on the specific issue and your vehicle’s make and model. However, here are some rough estimates for common repairs in NZ:
- IAC valve replacement: $450-$600
- Vacuum leak repair: $150-$300
- Sensor replacement: $200-$800
- Fuel injector service: $400-$800
Keep in mind that these are just ballpark figures and actual costs may be higher or lower.
Why choose My Auto Shop for your high idle repair
At My Auto Shop, we understand the importance of convenient, reliable, and affordable car maintenance. That’s why we offer mobile mechanic services throughout New Zealand, bringing the workshop to your doorstep.
Our experienced mechanics are equipped with the latest diagnostic tools and can quickly identify the cause of your high idling engine. We provide upfront, transparent pricing and all our work is backed by a 10,000km warranty.
Plus, with our easy online booking system, you can schedule your repair at a time and place that suits you best. Whether you’re at home, at work, or even at the beach, we’ve got you covered.
So if your engine is revving high while idling, don’t stress. Book a mobile mechanic with My Auto Shop today and let us get your car running smoothly again in no time.