95 civic idling up and down?
#1
95 civic idling up and down?
i have a 95 civic 1.5 DX and the car is idling up and down,any solutions on what can be causing this?I heard this is a common problem on honda's.any suggestions will be appreciated.
#2
Originally Posted by mrherrera
i have a 95 civic 1.5 DX and the car is idling up and down,any solutions on what can be causing this?I heard this is a common problem on honda's.any suggestions will be appreciated.
#3
My Si was doing the same thing. Sound was very consistent and even. Like you're reving the engine, but you're not. I had the wrong ECU in the car, a PO6 instead of a P28. Once I go the right one, the problem went away, but came back a week later. I guess the way to go is to change the O2 sensor(s). Old. Too old. To add insult to injury, went to chagne the header gasket, and the stock header was cracked down the middle like an earthquake fault. I'm picking up a DC sport header tomorrow, and will change the O2 sensor. Not sure if you should change both if you change 1. I'm hoping the problem will stop.
Hope this helps. Thanks for bringing this up.
Hmmmm.....One sensor on the header and one after the CAT?
Hope this helps. Thanks for bringing this up.
Hmmmm.....One sensor on the header and one after the CAT?
#5
Originally Posted by Chefboiali
BTW.. cleaned my IACV. Blasted it with carb cleaner. It was VERY clogged. Looked new when I was done spraying it.
#6
Originally Posted by Chefboiali
BTW.. cleaned my IACV. Blasted it with carb cleaner. It was VERY clogged. Looked new when I was done spraying it.
#9
Originally Posted by Wharbone
You may also have a vaccum leak somewhere.
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Danny Alvarez (01-31-2020)
#10
If your idling fluctuates up and down during cold start and goes away after operating temp is met, your Fast Idle Thermal Valve has backed out.
If your idling fluctuates up and down during operating temp, then it is most likely the IACV.
If your idling fluctuates up and down during operating temp, then it is most likely the IACV.
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