Operation CHARM
: Car repair manuals for everyone.
Home
>>
Volvo
>>
1992
>>
740 L4-2320cc 2.3L SOHC Turbo VIN 87 B230FT
>>
Repair and Diagnosis
>>
Instrument Panel, Gauges and Warning Indicators
>>
Tachometer
>>
Testing and Inspection
>>
Tachometer Reading Incorrect
Tachometer Reading Incorrect
The
tachometer
may give an incorrect reading due to the following:
-
Instrument cluster has incorrect ground potential.
-
Defective
tachometer
.