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Inconsistent tachometer


keegan89

Member
Joined
Mar 31, 2024
Messages
12
City
las vegas
Vehicle Year
1989
Transmission
Manual
This has always been a problem it has just happened a lot more often recently. 90% of the time my tachometer is reading about 1000 or more rpm’s high. very rarely is it correct. does anyone know how i can fix this? thank you

Truck is 1989 Ranger with 4.0 ohv swap 5 speed
 
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