What causes a car to fluctuate?

What causes a car to fluctuate?

Worn Out Spark Plugs Worn out spark plugs can cause your car’s RPM to fluctuate. This is very common in older cars. If the spark plug is dirty or worn out, the RPM will drop or surge.

Why is my Honda Civic having Idle problems?

Continue reading to find out what can cause your Civic to have idling problems. A car with a vacuum leak can cause an unstable idle. An unplugged vacuum line (as well as a damaged air intake hose) creates discrepancy between how much air the engine’s computer thinks it has, and how much it actually has.

Are there any problems with the 2001 Honda Civic?

Although eventually the defective 2001 Civic airbag inflators were fixed under recalls in 2011 & 2013, that meant for 10 to 12 years airbags were activating with excessive force where metal fragments went shooting into passengers when the airbag deployed. As for the 2001 Civic’s transmission woes?

Why does my Honda Civic stay on the road so long?

Honda Civics have a tendency to stay on the road for a decade or more. Whether it’s due to years of use or a manufacturing issue, Honda Civic owners have been dealing with transmission problems since the beginning of the century. Transmission failure is a serious and costly problem to face.

What causes the speedometer to malfunction in a Honda Civic?

A short circuit will cause the speedometer in a Honda Civic to malfunction. Oftentimes, a short circuit is the result of the plastic clip breaking that holds the wires away from the engine.

Although eventually the defective 2001 Civic airbag inflators were fixed under recalls in 2011 & 2013, that meant for 10 to 12 years airbags were activating with excessive force where metal fragments went shooting into passengers when the airbag deployed. As for the 2001 Civic’s transmission woes?

Why does my Honda Civic vibrate when I idle?

When you start the car with a cold engine, put on the brake, and put the car in reverse it vibrates really bad. When you let off the brake but still have the car in reverse it idles normal. Dealer adjusted all mounts and said no cracks. Then I was told the CVT fluid had to warm up to temperature before problem goes away.

Why is my Honda Civic failing to start?

First: the “shoulda” disclaimer Reporting the code that drives that check engine light you saw is the most important piece of information you could give us. Without that code everything is blind diagnosis (guesswork) based on a myriad of personal experiences. This is the most inefficient way for you to get your answers.

Why is the temperature gauge on my Honda Civic not working?

If there aren’t any clear wiring issues, test the wiring coming from the ECT sending unit (see Figure 3) with a multimeter. A warmed up engine should provide a resistance of about 38 ohms. If there’s no reading car is turned on, but a reading when the car is turned off, the gauge is likely the culprit.