SabrToothSqrl

I bought a (beat) 2001 Formula 292 FasTech w/350s and Bravo 1s.
I fixed all the issues I could find, and it does run (or did last season).
Over the winter I discovered the engine alarms were cut.
I repaired the wiring, and found the one engine w/an alarm state.

I turn the key to run, get 2 beeps, then silence.
I start the engine, and within a few seconds, I get a constant beep, until I shut the engine off.
I unplugged the drive lube bottle wiring - no effect
Unplugged the oil pressure switch - no effect
Replaced the ECT sensor - no effect.

STRB engine Serial Number: 0M047350

I don't know what else to check before buying a scan tool. Engine seems to have 100% power level. (Within 200 RPM of port at WOT).

Thanks for any help. I've been over the service manual top to bottom, but am hoping for a fix that doesn't mean buying a $550 scan tool...

Griff

Have it scanned or buy a scanner or here is a cheat Make a Marine EFI code tool for less than $1.00

Throwing parts at it without knowing the problem is waste of $$$.

BUP

iTrader: (9)

this is a MEFI 3 going off the top of my head

Prob a scan might show a general warning fault - innwhich is the oil pressure. IMO the oil pressure switch is bad or wired incorrectly ??? and or its sender

other possible issues could be coolant temp switch / sender and or its wiring. Also the correct gaskets are needed for the T stat as that can in some cases cause issues. IMO it might be best to have your app looked at by someone whom is OEM trained. If your in Texas --- North Texas especially is where I am located if that someone ever needed to look at it.

Yes 550 bucks for a scan tool --- to maybe even not tell you anything . MEFI 3 and its scan will only show 17 possible fault codes and many times will not show any fault codes or even shows multiple fault codes .

Not having eyes on the app - possible could be --- bad and or incorrect wiring - possible wiring harness issues ??? cutting the warning horns out of the mix was done by a do it yourselfer HACK 4 sure

SabrToothSqrl

Wow. this works?! I'm going to set this up. thanks!
Yes, it's a MEFI 3

thanks again, shame radio shack went under, now I'll have to check walmart for a LED and supplies...

SabrToothSqrl

It worked great!

I got 2 codes
ECT Sensor too cold
Air Intake Manifold sensor too cold.

I'm replacing both, clearing the codes, then giving it a go...