Hi there, recently I just got myself an old Pivot tachometer, and I installed in by connecting my RPM signal wire. The meter has accurate idle reading, but when I rev up my engine or running my car, the tachometer no...
Did the ECU check today and found out that there was an error code 18 - TPS narrow range error. Then try to adjust
the tps with the voltmeter but cannot find the spot where only one connector have...