What causes car idle to fluctuate?

What causes car idle to fluctuate?

Erratic engine idle can be caused by various factors, but the most common and likely cause is a dirty or malfunctioning Mass Air Flow (MAF) sensor. This is a device found in fuel-injected cars and measures air flow so that the appropriate amount of fuel can be injected.

At what RPM should a car idle at?

between 600 and 1000 RPMs
Wrong Idle Speed – Most cars have a proper idle speed, usually between 600 and 1000 RPMs. Idle car speed can change due to wear and tear. Fortunately, an adequate tune-up can restore the correct idle speed.

What kind of misfire does a 2000 CE Lancer have?

2000 CE Lancer GLXi 1.8 4g93, Misfire, Ignition, Grounding This post is mostly to help lancer owners with their 2000 CE Lancer 1.8 4G93 engine, and how to diagnose a ignition misfire. I state that I’m a back yard mechanic with no mechanical qualifications, but I have tons of backyard/hands on experience.

What is the engine output of a CE Lancer?

Under a load test, the alternators output was less than 0.3v. and was spiking from 14V+ down to 3v-5v. (The lights, radio, & engine would drop/dim and miss

Are there any problems with the Mitsubishi Lancer?

If you’re to scared, rich or have no interest in doing it yourself, stop reading and take the vehicle to your local mechanic. For the rest of you that have the same or similar problems I had, lets continue. There are different models and drives for the lancer which was released. So the engine configuration might be different on yours.

Where are the spark plugs on a Mitsubishi Lancer?

*Ground to engine block, which is connected to the battery-ground. *One near the air con relays above the FR wheel arch in the engine bay. *Rear light harness – body ground, Behind the Rear left panel in boot. The engine ran beautifully for a month. Then BAM, the misfire came back. I checked the spark plugs, coil packs & leads. They all passed.