S2000 Under The Hood S2000 Technical and Mechanical discussions.

vtec lag

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Old 09-30-2009, 12:25 AM
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Default vtec lag

ever since the instalation of my aem v2 cold air at random times my vtec doesnt kick in until 7-8k. i hear the cams change but dont get that kick until random times and sometimes the crossover is really smooth and i never even feel a kick. i topped up my oil but that didnt change anything.
Old 09-30-2009, 07:32 AM
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Old 09-30-2009, 10:23 AM
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check/clean the the vtec solenoid screen?
Old 09-30-2009, 12:11 PM
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Reset ECU and re-learn idle?

You got enough oil in her?
Old 09-30-2009, 02:48 PM
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that doesnt sound normal, you should hear your cai after 6k rpm.
Old 09-30-2009, 04:17 PM
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make sure your vtec controller is not set at 7K-8k
Old 10-01-2009, 12:58 AM
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i have a v2 intake so anytime after 3k i can hear it. my oil is fine, and i unplugged my battery for 20 min. let it idle for 30 min, and drove 15 km. i read that will reset your ecu. it did fine tonight so im gonna chill until it does it again then ill take her to honda.
Old 10-01-2009, 05:25 PM
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No. You didn't really reset the ECU. You need to:

1. Disconnect the battery.

2. Pull 'backup' fuse inside the car.

3. Replace the 'backup' fuse after 10-15 seconds or more.

4. connect the batt.

5. Do the ECU 'idle learn' procedure.
Old 10-01-2009, 09:33 PM
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let us know after procedure mentioned above
Old 10-01-2009, 10:51 PM
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ok, im gonna go try that now.


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