Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

H22a rpms bounce 100-1200 when warm ~ and stalls

 
Old 01-06-2009, 09:06 PM
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Default H22a rpms bounce 100-1200 when warm ~ and stalls

H22a rpms bounce 100-1200 when warm ~ and stalls after a min.
idles good upon cold start up. 2 minutes later rpms are 100-1200 bouncing

I have cleaned the IACV well
I have taken many things off the intake and plugged the manifold holes
I replaced map sensor gasket
I checked timing ~ its perfect

Anybody experience this problem? rpms drops LOW when warm..stalling
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Old 01-06-2009, 09:14 PM
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Default Re: H22a rpms bounce 100-1200 when warm ~ and stalls

bump
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Old 01-06-2009, 09:25 PM
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Default Re: H22a rpms bounce 100-1200 when warm ~ and stalls

it could be a sensor that had to do with being in open loop to close loop where the ecu takes over, ect maby, engine temp sensor
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Old 01-06-2009, 09:50 PM
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Default Re: H22a rpms bounce 100-1200 when warm ~ and stalls

hmm but it idles when cold. I can check the temp sensor.
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Old 01-06-2009, 10:56 PM
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Default Re: H22a rpms bounce 100-1200 when warm ~ and stalls

double bump bump for anybody that has experienced similiar problem
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Old 02-04-2009, 07:29 PM
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Default Re: H22a rpms bounce 100-1200 when warm ~ and stalls

ive been doin research it def sounds like ur tps sensor rite behind the throttle body u can check it with a voltmeter. it should be i think .05 volts with ur car off and throttle closed. the tps will make ur rpms flucate. is it throwing a check engine light?if u call to check for tps sensors they r gonna tell u u have to buy a whole new throttle body cause its riveted in. dont buy a new one for 500.00 bucks just buy a new tps sensor off ebay 50.00 bucks tops take ur throttlebody of knoch the 2 rivets holding the tps sensor down with either a cut off wheel or hacksaw then install the new tps with screws. check ur ecu for codes 1st thts where id start befor buying anything. goodluck!
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Old 02-04-2009, 08:27 PM
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Default Re: H22a rpms bounce 100-1200 when warm ~ and stalls

I have the exact same issue on my H2B Eg. I talked to the guy who tuned my car for me and he told me there was a screw on my IM near my TB that they adjust when tuning the car. My target idle rpm is also 1500 so not sure if that will help you : / I went out started it and played it it until it idled better. I will try to get you a pic if you want..?
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