High RPM at idle honda civic 2004
06-28-2013, 04:33 PM
#1
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High RPM at idle honda civic 2004
Hi guys nice to meet you.
Honda civic si 2004 manual transmission
I was getting high rpm at idle last week. 2200rpm 2000rpm
And it was falling down at 1500 etc was strange...
Then I cleaned my iac valve. Car was working fine for 5 min then goes back to 2200 rpm.
I changed the iac.... Then now sometine it works good 400 500 rpm at idle and sometime 1500.... Any idea?
Honda civic si 2004 manual transmission
I was getting high rpm at idle last week. 2200rpm 2000rpm
And it was falling down at 1500 etc was strange...
Then I cleaned my iac valve. Car was working fine for 5 min then goes back to 2200 rpm.
I changed the iac.... Then now sometine it works good 400 500 rpm at idle and sometime 1500.... Any idea?
06-30-2013, 11:43 AM
#2
Honda-Tech Member
Re: High RPM at idle honda civic 2004
Well since you changed the valve, it may be a vacuum leak, throttle cable too tight, idle screw screwed to far. About all I can think of. Did you also clean the throttle body and iacv port?
06-30-2013, 07:48 PM
#3
Honda-Tech Member
Re: High RPM at idle honda civic 2004
TPS maybe? When my car started doing that, it eventually lead to the rpms jumping up and down. I tried a new tps and problem went away.
07-02-2013, 03:04 AM
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Re: High RPM at idle honda civic 2004
Happened to me, all I did was clean the TPS sensor and put some dialectic grease on the connections. Worked for me. Do you have any check engine codes?
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