Tach no reading correctly
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From: Las Vegas, NV
Tach no reading correctly
I got a S4 TII and a few days ago my tach stopped working. I swapped out the trailing coil and got my rpm back but not working right. It is almost showing half of the actual rpm. I can feel my secondary injectors kick in (Rtek 1.7 installed) and rpm is showing 1400 rpm and they did kick in around 3200 or so. When i cruzing 80mph on the freeway rpm is araound 1800 in 5th gear. What should i check. I have swapped 3 trailing coils and same prob..
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