Why is my car idling at high idle?

Why is my car idling at high idle?

The throttle system in the vehicle might not be working properly, which can cause engine stalling or high idling. Common causes of a throttle malfunction are a buildup of dirt and contaminants in the engine’s secondary air intake or a cracked air intake tube.

What is the OBD2 code for a Mazda OBDII?

OBDII Mazda Code Definitions. Be sure to double check the codes. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles.

Why is my Honda Accord surging at idle?

In both instances the idle control valve (which bypassed the main throttle butterfly/flap) intermittently failed, resulting in surging at idle e.g up to about 2000 rpm from memory.

Why is my IAC running at high idle?

IAC Motor Malfunction. The IAC motor itself may not be working properly. A short circuit in the motor can trigger high idle problems. Sometimes IAC motors develop high resistance in the circuitry, which slows the reactions of the IAC and can lead to idling problems.

Why is my Mazda 323 not idling properly?

If you are, then the most likely cause will be a faulty ignition coil. If the engine is is not idling smoothly, but rather the revs are jumping around, then this would be the first place to check. The engine management warning light will most likely have appeared on the dashboard as well.

What’s the low idle rate on a Mazda 3?

After putting in re new battery it began starting up quicker/nicer. But now I am idlng very low. I used to idle at like 850-950rpm and now I idle 750 and below and I feel the car shake as the needle kind of dances between 500 & 750. And the other day it actually stalled.

What does the management warning light on a Mazda 323 mean?

If the engine is is not idling smoothly, but rather the revs are jumping around, then this would be the first place to check. The engine management warning light will most likely have appeared on the dashboard as well.

What to do if your Mazda 323 is corroding?

Run a diagnostic check to see which wheel the faulty sensor is switched on and you will need to replace this ABS sensor to resolve the issue. The oil sump on the 323 is known for corroding.