Civic Idle Up And Down. This will give a code that provides more detailed information. I just bought the car and when idling, the car revs from about 1200 to 2000 over and. bring your civic to an auto parts store like autozone to have the code pulled with a scan tool. it has a d15z1 block with a d16z6 head. you can look up the official steps, but if you start it up, let it get up to temp, then let it sit for at least five minutes it will. The latest was a 97. your idle air control valve may be malfunctioning if you notice that your rpms oscillate constantly, even when you are not. Shut the car off and start it. A failing iacv will result in a hunting idle (where the revs go up and down without accelerator input) or a lumpy idle (where the idle will fall until the ecu compensates and rises it again repeatedly). as a car dealer i've had several civics that had the idle go high and then low after being warmed up. a valve that won't open or close correctly will allow an incorrect amount of air into the engine. reconnect the negative terminal and start your car. To fix this, either replace the iacv or clean it. Do nothing and just let it idle for 10 minutes.
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Shut the car off and start it. A failing iacv will result in a hunting idle (where the revs go up and down without accelerator input) or a lumpy idle (where the idle will fall until the ecu compensates and rises it again repeatedly). your idle air control valve may be malfunctioning if you notice that your rpms oscillate constantly, even when you are not. I just bought the car and when idling, the car revs from about 1200 to 2000 over and. a valve that won't open or close correctly will allow an incorrect amount of air into the engine. The latest was a 97. bring your civic to an auto parts store like autozone to have the code pulled with a scan tool. it has a d15z1 block with a d16z6 head. To fix this, either replace the iacv or clean it. Do nothing and just let it idle for 10 minutes.
97 civic Idle surging HondaTech Honda Forum Discussion
Civic Idle Up And Down a valve that won't open or close correctly will allow an incorrect amount of air into the engine. you can look up the official steps, but if you start it up, let it get up to temp, then let it sit for at least five minutes it will. To fix this, either replace the iacv or clean it. I just bought the car and when idling, the car revs from about 1200 to 2000 over and. bring your civic to an auto parts store like autozone to have the code pulled with a scan tool. a valve that won't open or close correctly will allow an incorrect amount of air into the engine. This will give a code that provides more detailed information. your idle air control valve may be malfunctioning if you notice that your rpms oscillate constantly, even when you are not. as a car dealer i've had several civics that had the idle go high and then low after being warmed up. reconnect the negative terminal and start your car. it has a d15z1 block with a d16z6 head. Shut the car off and start it. Do nothing and just let it idle for 10 minutes. The latest was a 97. A failing iacv will result in a hunting idle (where the revs go up and down without accelerator input) or a lumpy idle (where the idle will fall until the ecu compensates and rises it again repeatedly).
