1994 civic - engine revving itself in neutral
06-29-2005, 09:04 PM
#1
Guest
Posts: n/a
1994 civic - engine revving itself in neutral
Hi all,
My prize 1994 Civic EX has a new problem, wonder if anyone knows what the
prob may be...
In park and neutral, the car revs every 3-4 seconds. i.e. it's a cycle that
repeats itself every 3-4 seconds where the engine revs up slightly, settles
back down, and repeats.
Otherwise, the car runs fine. Any ideas on what to look at?
Thanks.
My prize 1994 Civic EX has a new problem, wonder if anyone knows what the
prob may be...
In park and neutral, the car revs every 3-4 seconds. i.e. it's a cycle that
repeats itself every 3-4 seconds where the engine revs up slightly, settles
back down, and repeats.
Otherwise, the car runs fine. Any ideas on what to look at?
Thanks.
06-29-2005, 09:13 PM
#2
Guest
Posts: n/a
Re: 1994 civic - engine revving itself in neutral
"hutchtoo" <hutchtoo@gmail.com> wrote in
news:l-OdnQkWqIqu2F7fRVn-og@rcn.net:
> Hi all,
>
> My prize 1994 Civic EX has a new problem, wonder if anyone knows what
> the prob may be...
>
> In park and neutral, the car revs every 3-4 seconds. i.e. it's a cycle
> that repeats itself every 3-4 seconds where the engine revs up
> slightly, settles back down, and repeats.
>
> Otherwise, the car runs fine. Any ideas on what to look at?
>
> Thanks.
>
>
When did this start? What (if any) work was done on the motor prior to
onset?
How's the coolant level?
How old is the thermostat?
When were the cap/rotor/wires/plugs changed last?
--
TeGGeR®
The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
news:l-OdnQkWqIqu2F7fRVn-og@rcn.net:
> Hi all,
>
> My prize 1994 Civic EX has a new problem, wonder if anyone knows what
> the prob may be...
>
> In park and neutral, the car revs every 3-4 seconds. i.e. it's a cycle
> that repeats itself every 3-4 seconds where the engine revs up
> slightly, settles back down, and repeats.
>
> Otherwise, the car runs fine. Any ideas on what to look at?
>
> Thanks.
>
>
When did this start? What (if any) work was done on the motor prior to
onset?
How's the coolant level?
How old is the thermostat?
When were the cap/rotor/wires/plugs changed last?
--
TeGGeR®
The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
06-29-2005, 09:13 PM
#3
Guest
Posts: n/a
Re: 1994 civic - engine revving itself in neutral
"hutchtoo" <hutchtoo@gmail.com> wrote in
news:l-OdnQkWqIqu2F7fRVn-og@rcn.net:
> Hi all,
>
> My prize 1994 Civic EX has a new problem, wonder if anyone knows what
> the prob may be...
>
> In park and neutral, the car revs every 3-4 seconds. i.e. it's a cycle
> that repeats itself every 3-4 seconds where the engine revs up
> slightly, settles back down, and repeats.
>
> Otherwise, the car runs fine. Any ideas on what to look at?
>
> Thanks.
>
>
When did this start? What (if any) work was done on the motor prior to
onset?
How's the coolant level?
How old is the thermostat?
When were the cap/rotor/wires/plugs changed last?
--
TeGGeR®
The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
news:l-OdnQkWqIqu2F7fRVn-og@rcn.net:
> Hi all,
>
> My prize 1994 Civic EX has a new problem, wonder if anyone knows what
> the prob may be...
>
> In park and neutral, the car revs every 3-4 seconds. i.e. it's a cycle
> that repeats itself every 3-4 seconds where the engine revs up
> slightly, settles back down, and repeats.
>
> Otherwise, the car runs fine. Any ideas on what to look at?
>
> Thanks.
>
>
When did this start? What (if any) work was done on the motor prior to
onset?
How's the coolant level?
How old is the thermostat?
When were the cap/rotor/wires/plugs changed last?
--
TeGGeR®
The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
06-29-2005, 09:37 PM
#4
Guest
Posts: n/a
Re: 1994 civic - engine revving itself in neutral
TeGGeR, thanks for the reply.
> When did this start? What (if any) work was done on the motor prior to
> onset?
No work done beforehand other than an oil change, the revving started in the
winter, forgot about it, just started again. Happens on engine start, not on
a warm engine.
> How's the coolant level?
Fine.
>
> How old is the thermostat?
I don't remember replacing it, so probably 12 years.
>
> When were the cap/rotor/wires/plugs changed last?
I don't get tune ups often, so at least a couple years.
> When did this start? What (if any) work was done on the motor prior to
> onset?
No work done beforehand other than an oil change, the revving started in the
winter, forgot about it, just started again. Happens on engine start, not on
a warm engine.
> How's the coolant level?
Fine.
>
> How old is the thermostat?
I don't remember replacing it, so probably 12 years.
>
> When were the cap/rotor/wires/plugs changed last?
I don't get tune ups often, so at least a couple years.
06-29-2005, 09:37 PM
#5
Guest
Posts: n/a
Re: 1994 civic - engine revving itself in neutral
TeGGeR, thanks for the reply.
> When did this start? What (if any) work was done on the motor prior to
> onset?
No work done beforehand other than an oil change, the revving started in the
winter, forgot about it, just started again. Happens on engine start, not on
a warm engine.
> How's the coolant level?
Fine.
>
> How old is the thermostat?
I don't remember replacing it, so probably 12 years.
>
> When were the cap/rotor/wires/plugs changed last?
I don't get tune ups often, so at least a couple years.
> When did this start? What (if any) work was done on the motor prior to
> onset?
No work done beforehand other than an oil change, the revving started in the
winter, forgot about it, just started again. Happens on engine start, not on
a warm engine.
> How's the coolant level?
Fine.
>
> How old is the thermostat?
I don't remember replacing it, so probably 12 years.
>
> When were the cap/rotor/wires/plugs changed last?
I don't get tune ups often, so at least a couple years.
06-30-2005, 01:39 AM
#6
Guest
Posts: n/a
Re: 1994 civic - engine revving itself in neutral
"hutchtoo" <hutchtoo@gmail.com> wrote in message
news:veqdnaL1mqdp0V7fRVn-hA@rcn.net...
>> How's the coolant level?
>
> Fine.
>
>>
>> How old is the thermostat?
>
> I don't remember replacing it, so probably 12 years.
>
It sounds like a replacement thermostat and bleed of the coolant system
after that would be a good investment. The coolant level in the radiator can
be right to the top but enough air can be trapped to cause your symptoms.
Mike
news:veqdnaL1mqdp0V7fRVn-hA@rcn.net...
>> How's the coolant level?
>
> Fine.
>
>>
>> How old is the thermostat?
>
> I don't remember replacing it, so probably 12 years.
>
It sounds like a replacement thermostat and bleed of the coolant system
after that would be a good investment. The coolant level in the radiator can
be right to the top but enough air can be trapped to cause your symptoms.
Mike
06-30-2005, 01:39 AM
#7
Guest
Posts: n/a
Re: 1994 civic - engine revving itself in neutral
"hutchtoo" <hutchtoo@gmail.com> wrote in message
news:veqdnaL1mqdp0V7fRVn-hA@rcn.net...
>> How's the coolant level?
>
> Fine.
>
>>
>> How old is the thermostat?
>
> I don't remember replacing it, so probably 12 years.
>
It sounds like a replacement thermostat and bleed of the coolant system
after that would be a good investment. The coolant level in the radiator can
be right to the top but enough air can be trapped to cause your symptoms.
Mike
news:veqdnaL1mqdp0V7fRVn-hA@rcn.net...
>> How's the coolant level?
>
> Fine.
>
>>
>> How old is the thermostat?
>
> I don't remember replacing it, so probably 12 years.
>
It sounds like a replacement thermostat and bleed of the coolant system
after that would be a good investment. The coolant level in the radiator can
be right to the top but enough air can be trapped to cause your symptoms.
Mike
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