Why does my car AC turn off when I stop?
If the compressor turns on then instantly stops it could be either you are lacking freon or there is too much in the line. If you over charge most compressors will turn off if it notices the pressure is above a certain limit. When it gets hot outside it also causes the pressure to rise which can cause this issue.
Why does my ac get hot when I’m parked?
Most likely the cooling fan for the condenser is not turning on allowing the high side of the A/C system to get to hot. This reduces the cooling capacity of your system. The cause can be the fan motor, a cycling switch, or a temperature switch depending on the design of the system in your car.
What causes a Mazda 3 to run rough at idle?
If a coil pack goes bad, it’ll cause a misfire and rough idle condition. Really, your 3 will be running rougher at any RPM, but a misfire will be most pronounced at idle.
Why does idle speed go down when AC is on?
The ISC is what the ECU uses to maintain the idle speed when the AC kicks in or the power steering pump drag the idle speed down. You also need the IPS inside the 2G TPS to be correctly set so that the ECU knows that it’s idling.
Why are the spark plugs on my Mazda 3 not working?
Spark Plugs – One of the absolute most common causes (if not the most common reason that your 3 may be misfiring) is the spark plugs. Although most modern vehicles use iridium spark plugs, they still need to be changed at the manufacturers recommended interval. This page has a great chart for you to compare your spark plug condition to new plugs.
How does the a / C work on a Mazda CX7?
I have 2011 Mazda CX7. When I first turn the car on I can see the A/C clutch being engaged, but after the car runs for bit, then clutch disengages. After a while it starts to engage for few seconds and than back off for about 10-15.
If a coil pack goes bad, it’ll cause a misfire and rough idle condition. Really, your 3 will be running rougher at any RPM, but a misfire will be most pronounced at idle.
The ISC is what the ECU uses to maintain the idle speed when the AC kicks in or the power steering pump drag the idle speed down. You also need the IPS inside the 2G TPS to be correctly set so that the ECU knows that it’s idling.
How to fix a Mazda that stalls at stop?
Remove the air hose from the throttle body. Disconnect the throttle body connector. Remove the throttle body from the intake manifold, with the water hose connected. Clean the throttle body on the air hose side using a soft, clean shop cloth, sprayed with engine cleaner (Mazda recommends their P/N 000-77-A86).
Spark Plugs – One of the absolute most common causes (if not the most common reason that your 3 may be misfiring) is the spark plugs. Although most modern vehicles use iridium spark plugs, they still need to be changed at the manufacturers recommended interval. This page has a great chart for you to compare your spark plug condition to new plugs.