Ok, ever since I've had my blower my RPMS have acted funny past 3k. They very eratically hover back and forth.

Someone suggested I was running lean, well now I have put my stock prom in and my 02 sensor readings are in the mid 900s and it has not helped the problem AT ALL! I have 24# injectors. It was even doing this on a custom prom made for the blower. What the hell is going on. I recently did a tune up. My rotor, plugs (R43TS), wires (9mm), cap are all brand new. My MSD6AL wires were soldered so I know that can't be it. And even my MSD blaster coil is brand new. What could it be??? It even does it now without the blower!! could it be the new coil?

The only code I am getting is 32. Which is EGR.


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91 Formula
305 TPI 5speed
1LE/G92/WS6

Paxton SN92 polished kit, SLP airfoil, ported/polished plenum, March pulleys, Crane AFPR(43psi),Crane Gold 1.6rrs,MSD coil,MSD6AL (5200rpm limit),Holley 9mm wires,Ac delco R43ts plugs,stock chip,Ford SVO 24# injectors,Bosch O2sensor,SLP 1 5/8" headers,SLP catback,shortened shifter,3:73s w/Auburn posi,170* t-stat,JET 195* fan switch, Macewen white face gauges, Autometer gauges, Zoom hi-performance clutch.

 

tachometers are very sensitive to voltage fluctuations that you cannot see on your voltmeter.
Check out your alternator or swap another alternator on to eliminate that possibility. The only way to figure it out is to start eliminating things.

ODB