WOT car stays in CL

[minytrker]

I am tuning a 98 camaro and it wouldnt respond to shift point changes at WOT. Also the WOT fuel didnt look right, so I put it back into CL. I found out at 100% WOT the car stays in CL which explains why the WOT shift tables werent working. I have never had a car stay in CL, what could it be? At idle the TPS reads 0 and it reads 100% at WOT. The car has a ported TB bought off the net, headers, cam, and 3600 stall. I tried a TPS reset and now I got a MIL light on for TPS voltage low. Why would I get this if I never messed with the TB screw?

[minytrker]

I reset the TPS again and the code is gone but it still wil not go into PE mode, or com out of CL at WOT.

[joecar]

Lorenz, does TP show 100% when throttle blade is fully open...?

[minytrker]

Lorenz, does TP show 100% when throttle blade is fully open...?

Yes,

It shows 0% at idle and 100% at WOT.

[joecar]

Hmmm... I've seen this before and I don't remember it being solved.

[ChipsByAl]

Lorenz, did you start with a file from your database or use the customers? Maybe something is wrong that EFI_Live does not show in the tune tool.
Al

[minytrker]

I started from the orginal file out of the car. I was the first person to tune it. I also compared it to another known stock file just to make sure. Damn 98's

[jfpilla]

Could the temperature guage be bad, keeping it in CL?

[redhardsupra]

if the temp sensor was bad it would keep it at -40 and would prevent it from entering CL, not leaving it

[jfpilla]

I was thinking that the sensor might be sending a signal simulating a temperature above closed loop enable. Not possible?
I didn't think this was likely, but some strange issues have strange solutions.
I wonder if the car starts up in open loop at all?