: IAT, ECT, MAP and Timing Glich

04-17-06, 07:26 AM
Gentleman, I coud use your help. I have a problem with my Maggie V.
The engine has power but a poor throttle response. When the throttle is opened there is a simultaneous glich in the IAT and ECT, to minus 40 deg, and the spark is set back to -60 deg. This occurs for about 0.3 seconds then goes back to normal. I can feel the hesitation in the engine. The MAP sensor was replaced so I don't think that is the problem. This occurs with several different tunes installed so the tune is not causing the problem.
Any suggestions would be welcome. Thanks. Joe

04-17-06, 02:16 PM
Hey Joe, didn't you just have your "V" reworked? A good tuner with diagnostics should be able to figure it all out. This sort of problem could be caused by hundred and one different things. I hope someone gets it right for you.

As an aside (guess), sounds like an electrical glitch, possible bad connection, loose wire, bad ground, power regulation problem, etc.