I have an automatic, 1997 Mazda 323. It would start fine however, the rpm would go up to 2500 and will stay there for a while. When I shift the gear to Reverse or Drive Mode, rpm would go down to normal. However, when I shift it back to Neutral or Park mode, the rpm would again go up to 2500. It will stay on that state for several minutes but once I drive it off and the engine warms up, it gradually lowers the RPM to about? 750 RPM. It's quite alarming since I think this would make the car use up more fuel. Hope you could help. Thanks in advance.
I had the alternator, ignition coil and cerbo kit checked, and according to the mechanic, there's nothing wrong with them. Also, the ignition and cerbo were cleaned.
Please help. Thanks
Sunday, May 20th, 2012 AT 6:47 AM