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Next: 74 camaro door panels
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Joined: Mar 18, 2007
Posts: 1
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(Msg. 1) Posted: Sun Mar 18, 2007 9:26 pm
Post subject: 1992 Accord racing idle in park & neutral HELP Plz
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1992 Honda accord EX 150K ..Idle jumps up & down ( 800-1900 rpm) in park & or neutral. Once tranny is engaged it stops racing up & down, but is still too high (about 1200 rpm) Dealer can not diagnose..
After problem occurred I replaced the following. New plugs, wires,coil,cap, checked EGR and it seems to work fine,put in brand new $50.00 O2 sensor,just did the IAC= idle air control valve ( from junk yard since new one is 275.00). pulled fuel rail & cleaned the injectors , replaced the rubber gaskets that seat with the injectors. No visible or detectable vacuum leaks
Again when a load is on transmission it stops racing but still idles to fast. This is killing my MPG and sounds really bad LOL.
Any help is very appreciated...I am out of ideas |
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External
Since: Dec 13, 2003
Posts: 236
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(Msg. 2) Posted: Mon Mar 19, 2007 8:54 am
Post subject: Re: 1992 Accord racing idle in park & neutral HELP Plz [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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JesseLittle wrote:
> 1992 Honda accord EX 150K ..Idle jumps up & down ( 800-1900 rpm) in
> park & or neutral. Once tranny is engaged it stops racing up & down,
> but is still too high (about 1200 rpm) Dealer can not diagnose..
>
> After problem occurred I replaced the following. New plugs,
> wires,coil,cap, checked EGR and it seems to work fine,put in brand new
> $50.00 O2 sensor,just did the IAC= idle air control valve ( from junk
> yard since new one is 275.00). pulled fuel rail & cleaned the
> injectors , replaced the rubber gaskets that seat with the injectors.
> No visible or detectable vacuum leaks
>
> Again when a load is on transmission it stops racing but still idles
> to fast. This is killing my MPG and sounds really bad LOL.
>
> Any help is very appreciated...I am out of ideas
>
Probably trapped air in the cooling system.
Take the radiator cap off, and open the bleeder valve at the thermostat
housing. Start the car and close the bleeder when all the air stops
coming out.
Might be the coolant sensor giving bad info to the computer, but I
doubt it. bob |
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External
Since: Oct 24, 2006
Posts: 626
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(Msg. 3) Posted: Mon Mar 19, 2007 11:09 am
Post subject: Re: 1992 Accord racing idle in park & neutral HELP Plz [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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N.E.Ohio Bob wrote:
> JesseLittle wrote:
>> 1992 Honda accord EX 150K ..Idle jumps up & down ( 800-1900 rpm) in
>> park & or neutral. Once tranny is engaged it stops racing up & down,
>> but is still too high (about 1200 rpm) Dealer can not diagnose..
>>
>> After problem occurred I replaced the following. New plugs,
>> wires,coil,cap, checked EGR and it seems to work fine,put in brand new
>> $50.00 O2 sensor,just did the IAC= idle air control valve ( from junk
>> yard since new one is 275.00). pulled fuel rail & cleaned the
>> injectors , replaced the rubber gaskets that seat with the injectors.
>> No visible or detectable vacuum leaks
>>
>> Again when a load is on transmission it stops racing but still idles
>> to fast. This is killing my MPG and sounds really bad LOL.
>>
>> Any help is very appreciated...I am out of ideas
>>
>
> Probably trapped air in the cooling system.
> Take the radiator cap off, and open the bleeder valve at the
> thermostat housing. Start the car and close the bleeder when all the air
> stops coming out.
> Might be the coolant sensor giving bad info to the computer, but I
> doubt it. bob
-----------------------------------
Bearing in mind the coolant reservoir has to be fairly full before and
after you do this. If there's no 'reserve' in the reservoir, there's
nothing to displace any air you want to get out.
'Curly' >> Stay informed about: 1992 Accord racing idle in park & neutral HELP Plz |
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External
Since: Mar 20, 2007
Posts: 1
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(Msg. 4) Posted: Mon Mar 19, 2007 10:55 pm
Post subject: Re: 1992 Accord racing idle in park & neutral HELP Plz [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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You have a bad coolant temperature sensor. That sensor sends info to the ecu
to increase idle (cold start) and return to normal idle after the coolant
temperature is at normal operating condition.When it goes bad, your idle will
fluctuate up and down repeatedly. My Accord went through that, done that.
Easy fix. Just don't confuse the coolant temperature sensor with the coolant
sending unit if you fix the problem yourself. Have a good day. Jackson........
......Semper Fi.
JesseLittle wrote:
>1992 Honda accord EX 150K ..Idle jumps up & down ( 800-1900 rpm) in
>park & or neutral. Once tranny is engaged it stops racing up & down,
>but is still too high (about 1200 rpm) Dealer can not diagnose..
>
>After problem occurred I replaced the following. New plugs,
>wires,coil,cap, checked EGR and it seems to work fine,put in brand new
>$50.00 O2 sensor,just did the IAC= idle air control valve ( from junk
>yard since new one is 275.00). pulled fuel rail & cleaned the
>injectors , replaced the rubber gaskets that seat with the injectors.
>No visible or detectable vacuum leaks
>
>Again when a load is on transmission it stops racing but still idles
>to fast. This is killing my MPG and sounds really bad LOL.
>
>Any help is very appreciated...I am out of ideas
> >> Stay informed about: 1992 Accord racing idle in park & neutral HELP Plz |
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External
Since: Jun 13, 2006
Posts: 61
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(Msg. 5) Posted: Tue Mar 20, 2007 1:55 pm
Post subject: Re: 1992 Accord racing idle in park & neutral HELP Plz [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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