Civic '92 engine normal starts then stalls after 2 mins
The rpm goes down then stalls the engine. THis happens intermittently, during morning cars ok as long as engine is not turned off, but after turning off engine then start car again, rpm goes down and stalls the engine. Is this a carburator problem? We cleaned the carburator several times but it never fixed the problem, the only way I can make the car run is to adjust idle just to get the car home. But once it's normal the idle will be at 3000 rpm which is too high.
Re: Civic '92 engine normal starts then stalls after 2...
Ihave the same experience try to remove the idle jet located next to the starting jet. But be careful in removing it as it will break easily ( you will need a flat screwdiver to do it ) clean it with a wire that closest size of the jet. change your fuel filter ang drain all the fuel inside before putting it back. make sure to put some air pressure on each holes on the carb so it flush all unwanted particles inside and pls dont use silicone in sealing the rubbers inside.
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All the above is normal , except 2000rpm is a little high at idle . can be adjusted down to 1500rpm. the computer adjusts the engine speed . in drive the transmission loads up the engine idle drops to 1000rpm . in park engine unloaded rpm increase all normal.
are you saying , it stalls (RPM on dash goes to 0)
or RPMs are below 800(hot and is wrong) ?
or that all the above is ok, but I have lost engine power?
if A/T transmission slip, (RPM goes way to high and MPG dont track RPM correctly)
is car an A/T
when asking for help , stated engine size and transmission options.
we dont know. and Civic sub model name is good to... we are blind here.
is commonly caused by a dirty automatic idle speed control valve and
throttle valve. Buy a can of throttle valve cleaner from NAPA or
Carquest (made by CRC chemicals) and spray it into the air intake
while the engine is running, use up about 1/2 the can, engine will
try to stall hold the speed up, shut it down and let it soak for 30
minutes, restart and blow out the remaining fluid, shut it down and
disconnect the negative battery cable for 5 Min's to reset the base
Sounds like a cold start valve (which is actually an additional injector in the intake to assist in cold starting) If you can get it to your local prts store while the light is on they will read the codes for free and tell you what the car thinks is amiss.
Offhand, yes this would be normal. The high idle is brought about by the auto choke whose purpose is to hasten the reaching of operating temperature of the engine. The fact that the idle RPM goes down after some time is a good indicator, it tells us that the auto choke is working.
Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.