RPM not stable when the engine is Idle

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Antonio Karam

Antonio Karam

10 Year
Joined
Jul 12, 2015
Threads
5
Messages
27
Location
Lebanon
Hello Guys,
need your help
In my 1997 Toyota Land Cruiser 4.5L with a supercharger, the RPM suddenly fluctuates from around 1300 down to nearly 100. Sometimes the engine stalls, and other times it continues running. There is no check engine light on.


i will upload a video showing what's going on video
 
There are also two wiring extensions required for blower install (unless you unloom and re route) along the wiring for the IAC mentioned above as well as the TPS. These are the two sensors on your throttle body.

Might inspect that splice if the sensors themselves test good. Mine gave me issues there at one time and was a failed wire crimp.
 
jfz80 said:
There are also two wiring extensions required for blower install (unless you unloom and re route) along the wiring for the IAC mentioned above as well as the TPS. These are the two sensors on your throttle body.

Might inspect that splice if the sensors themselves test good. Mine gave me issues there at one time and was a failed wire crimp.
Click to expand...
Will check the wiring, both sensors are in good condition already tested them and change them also from my friend’s car similar to mine.
 
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