Tachometer Jumping & Check Engine light on!!
#1
Pole Position
Thread Starter
Tachometer Jumping & Check Engine light on!!
Hello all.
Today, when I drove home at highway, I found the check engine light is on. I didn't feel anything wrong, or maybe the acceleration of the car is a little bad. Then after 10 mins driving, I found my tachometer sometimes jumped from 2000 rpm to 4000 rpm, and the car run weak. I stopped at highway, and restarted the engine, after several minutes, it jumped again. When I drove around my local zone at 30 -40 mph, I didn't find anything unusual, but I was afraid.
I don't have the code reader on hand right now, but I am wondering if anybody similar with this problem?
I just got my rear brake pad changed by my friends, is there a chance that he made a mistake or loosen some unwanted parts?
The car's VSC light is also on, but I didn't feel any vibration, like usual. Is this because of VSC??
Today is rain...
Today, when I drove home at highway, I found the check engine light is on. I didn't feel anything wrong, or maybe the acceleration of the car is a little bad. Then after 10 mins driving, I found my tachometer sometimes jumped from 2000 rpm to 4000 rpm, and the car run weak. I stopped at highway, and restarted the engine, after several minutes, it jumped again. When I drove around my local zone at 30 -40 mph, I didn't find anything unusual, but I was afraid.
I don't have the code reader on hand right now, but I am wondering if anybody similar with this problem?
I just got my rear brake pad changed by my friends, is there a chance that he made a mistake or loosen some unwanted parts?
The car's VSC light is also on, but I didn't feel any vibration, like usual. Is this because of VSC??
Today is rain...
Last edited by lserlohn; 04-29-11 at 12:03 PM.
#2
Moderator
Have the code read. Without the codes, any diagnosis would be a wild guess.
Brake problem would manifest it self differently ... failure of proper braking or wheel becoming too hot ... [just check if the wheel is hot].
Salim
Brake problem would manifest it self differently ... failure of proper braking or wheel becoming too hot ... [just check if the wheel is hot].
Salim
#4
Pole Position
Thread Starter
Hello, I just got my code read. It is P0770, it says Shift Solenoid "E" Malfunction (Shift Solenoid Valve SLU). I attached the document below.
I asked Local repair shop, he said it may be the issue, since my engine speed goes up and down.
I am not sure how serious it is. I found one guy asked the same question, but he didn't fixed it.
Please share with me your most knowledge, thanks very much. My poor RX300
I asked Local repair shop, he said it may be the issue, since my engine speed goes up and down.
I am not sure how serious it is. I found one guy asked the same question, but he didn't fixed it.
Please share with me your most knowledge, thanks very much. My poor RX300
#6
Pole Position
Thread Starter
yes, the reader shows P0770 01/02
P0770 02/02 P
However, this problem always happens when I climb a bright or hill, but I didn't carry anything heavy.
P0770 02/02 P
However, this problem always happens when I climb a bright or hill, but I didn't carry anything heavy.
Last edited by lserlohn; 04-29-11 at 03:39 PM.
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