2004 Chevrolet Optra Repair Question
Asked on December 29, 2011
The rpm high even on park/neutral
Hi. I'm driving 2004 Optra 1.8LT Automatic. Last time I'm having the problem with fluctuated RPM during cold engine. So I brought the car to the workshop and they clean-up my throttle body (disconnect all parts related including IAC, all socket and tube) and the problem been solved
But I'm having new problem day after that. For the past 7 years, my RPM only at 800 rpm at all conditions (either when I put on gear parking/neutral or stop at traffic light and change it to neutral). But currently, the RPM high up to 2000 rpm during parking/neutral, especially when i change my gear to neutral while engines running/waiting at traffic light, or waiting my sons at his school.
How to solve it? I want it back as before, at 800 RPM. Idle Air Control Valve problem? Throttle position sensor problem?
But I'm having new problem day after that. For the past 7 years, my RPM only at 800 rpm at all conditions (either when I put on gear parking/neutral or stop at traffic light and change it to neutral). But currently, the RPM high up to 2000 rpm during parking/neutral, especially when i change my gear to neutral while engines running/waiting at traffic light, or waiting my sons at his school.
How to solve it? I want it back as before, at 800 RPM. Idle Air Control Valve problem? Throttle position sensor problem?
Asked by rosszaisterAnswer
Replied on December 29, 2011
Start by cleaning out the IACV and see what happens
Replied on December 29, 2011
Thank you. Will do as per advice.
Replied on December 29, 2011
may need computer re program of throttle functions.