Why would RPM be low?

Why would RPM be low?

However, when the engine RPM drops below the normal range of 800 RPM (for most cars), it is more than likely that you are dealing with an IAC valve problem. In cases where this valve is clogged or is failing, your vehicle will stall instead of slowing to an idle after the release of the throttle.

What’s the idle speed of a Mazda 6?

Idle speed is usually at 750 rpm. it would often almost stall and spike back up and bounce between rpm to try and stay turning. Changed spark plugs and spark plug wires, they had never been changed. This made the issue less prominent/severe but still constant.

Why does my Mazda3 idle at 700 rpm?

Put it in Neutral or Park, idles at 700 RPM. Put it in Drive and brake, idles at 300 and it feels like the car wants to stall. Click to expand… Since the brakes are vacuum-assisted, it makes me think that there is a brake booster vacuum leak that is letting unmetered air into the intake which is affecting the idle.

Why does my Mazda 3 want to stall?

I’ve got the EXACT same problem. Put it in Neutral or Park, idles at 700 RPM. Put it in Drive and brake, idles at 300 and it feels like the car wants to stall. When the car is cold, it’s fine. When it warms up, it acts up.

What’s the smell of a Mazda6 idle surge?

It is usually puddled in a circle with a radius of… say two inches. it has a burnt smell and is a shade of almost amber when put against something white. After a few hours it also “dries” up leaving a mark on the ground where it was but not remaining there as a liquid.

Idle speed is usually at 750 rpm. it would often almost stall and spike back up and bounce between rpm to try and stay turning. Changed spark plugs and spark plug wires, they had never been changed. This made the issue less prominent/severe but still constant.

Put it in Neutral or Park, idles at 700 RPM. Put it in Drive and brake, idles at 300 and it feels like the car wants to stall. Click to expand… Since the brakes are vacuum-assisted, it makes me think that there is a brake booster vacuum leak that is letting unmetered air into the intake which is affecting the idle.

What was the problem with my 2004 Mazda 6?

The contact owns a 2004 Mazda 6. while driving 30 mph, the vehicle stalled without warning. The vehicle was towed to an independent mechanic and the battery was replaced, but the failure recurred. The vehicle was towed to a dealer where it was diagnosed that the oil needed to be changed and the starter needed to be replaced.

What kind of engine does a Mazda 6 have?

220-horsepower 3.0L V6 5-speed shiftable automatic FWD The ignition coil went bad and it needed to be replaced as well as all the spark plugs. Check engine light after emissions inspection. Car died suddenly, had it towed in. Diagnosed and had MAF sensor replaced.