Scanmaster 3 on a 91 Stealth TT
I purchased a scanmaster 3 because my car has been running strange. Now that I have one installed, I don't know what normal readings are. Can anyone share what their readings are so I can compare? I have a 91 Stealth TT. Below is the data I got:
02: fluctuates between .08-.98
the o2 trim looks a little low, and the mid and high trims have not learned yet
how is the car configured? Any modifications?
Hello Bob, thanks for the response. Below is a list of mods:
- DNP headers
- DNP O2 housings
- DNP FMIC kit
- 3SX downpipe
- 3SX aluminum crank pulley
- Borla cat-back
- DR-500 turbos
- 660cc injectors
- Denso fuel pump
- ARC-2 (GP R-5) fuel controller
- GT-Pro 83mm MAS
- rebuilt 5-speed transmission
- rebuilt engine
- Stillen rotors[/font]
- Stillen metal matrix pads
- stainless steel braided brake lines
- vacuum hose reduction
- PWR aluminum radiator
- Blitz DSBC boost controller
- A/F ratio, EGT, and boost gauges
- Greddy BOV Type S
- Kevlar timing belt
- Accel spark plug wires
- removed EGR and charcoal canister
- new oil pump[/font]
- 1999 front end conversion
- new Goodyear Eagle F1 tires
- 18” Mustang Saleen chrome rims
- CR-2 victory hood
- RPS balanced lightweight flywheel
- RPS Max Series clutch
- Stillen brake pads
- oil line kit
wow, thats a large pile of parts.
Did you buy the MAF, ARC2, and injectors as a package? The ARC-2 is really Matt Monet's thing, so you will need to get him into the loop. I don't have that much experience with it.
When you say "running strange", what do you mean?
Do you still have the fuel pump resistor and relay?
What fuel rails and fuel pressure regulator?
Is your BOV vented to atmosphere? Are you running the stock Y pipe?
Yes, the MAF, ARC2 and injectors all came as a package but that was several years ago. I've never gotten the car to run properly in that time period mostly because I upgraded too many things at the same time.
I've contacted Matt before about helping me tune the ARC2, but I think I have a deeper issue going on. The car has always ran super rich since the upgrades. Recently I took out the 660cc injectors to install the original ones and I could actually get the car to idle properly (proper A/F ratio). For some reason it can't handle the bigger injectors.
I don't remember doing anything with the fuel pump resistor and relay, but I have read about that. I wasn't sure what the benefit of that was.
I've got the stock fuel rails and fuel pressure regulator.
I've got the Greddy Type S BOV and I believe it is vented to the atmosphere (the angled nipple has nothing connected to it).
I've got all of the intake pipes replaced since I now have a FMIC.
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