RPM Swings Up and Down!!
#1
RPM Swings Up and Down!!
Hi, I was driving my Max the other day. Then the car's RPM starts to swing up and down, and the car is like go and stop and go and stop.
What could be the problem? Some people told me it could be spark plug get clogged, some people told me I have to change my O2 sensor, and some people even told me I had hydro lock since I am using place racing style CAI.
I don't think it's the transmission, since every time when I start my car, it goes smooth for like 5 mins, then the problem starts rising. Expert please help me. I just towed my car home.
What could be the problem? Some people told me it could be spark plug get clogged, some people told me I have to change my O2 sensor, and some people even told me I had hydro lock since I am using place racing style CAI.
I don't think it's the transmission, since every time when I start my car, it goes smooth for like 5 mins, then the problem starts rising. Expert please help me. I just towed my car home.
#2
hydrolock? lmao. first thing you do is open up your radiator and make sure there is coolant in there. this only happens when the car is warm right? either the coolant temp switch is bad or you have an air bubble. best thing to do is check for the air bubble first. make sure the rad is filled and make sure you have some in the resevoir.
#6
Check your TPS (Throttle Position Sensor - attached to the Throttle Body at the back end of the air intake/MAF). I had a similiar issue that I first thought was tranny related.
Here is my thread: http://forums.maxima.org/showthread.php?t=503300
Here is my thread: http://forums.maxima.org/showthread.php?t=503300
#8
Originally Posted by Hajime
Why are you linking coolant system with the knocking of the engine?
How does the coolany level affect the swiniging of the RPM?
And my car really hesitates when the RPM swings.
How does the coolany level affect the swiniging of the RPM?
And my car really hesitates when the RPM swings.
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