The engine idles fast and idles up and down on its own. Was informed it was the map sensor but the first mechanic and it was supposedly changed, however the same problem occurs. A second mechanic said there is no map sensor on a 1992 Honda accord and is looking into repairing the same problem. I am beginning to think mechanics don't know what is wrong with my car. My questions are: 1. is there a map sensor on my 1992 Honda Accord and what is the engine code for it and 2. is there something else that can cause the up and down idling if not the map sensor. Both mechanics are highly rated but one says there is no map sensor and the other says there is and changed it. Help me please
1. yes a 1992 Honda accord has a map sensor and what accord do you have engine wise ?? because theres different codes 2. it could be a idle air control valve because if they get dirty they can cause the car to rev high low or even stall and cause the car to run crappy.
SOURCE: coolant doesn't heat up!
the temp sensor just tells you the temp of the coolant and it controlls the coolant fan to turn on and off at a certain temperature........have you check for coolant leeaks???
SOURCE: car doesn't warm up
It does sound like the thermostat. The sensor does not control the thermostat in any way, it only reads the temperature of the coolant. Your symptoms are classic of a thermostat that is stuck open or partially open. Take it back and tell them what is going on and have them show you that the thermostat is fine.
SOURCE: 1990 Honda Accord Fast Idle Problem
usually idle that goes up and down is cause by a bad "idle control valve" located near the throttle body. Needs to be replace.
SOURCE: engine surge at idle 1992 honda accord
check your tps sensor, or idle stop soleniod. they both control idle. Its not a major problem it wont effect your driving but may cause vehicle to die at a light.
SOURCE: honda accord ex 2001 check engine light suddenly came on, car started to idle roughly
If it's running rough, chances are that it's misfiring. If the Check Engine light is flashing/blinking, it is definitely misfiring.
If that's the case, drive it as little as possible... Or straight to the mechanic because the more you drive it while it's misfiring, the higher the chance is of you ruining your catalytic converter.
I’m happy to help further over the phone at https://www.6ya.com/expert/jason_00b31cc8f593773a
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