I have a 1998 GTP. The trans has a ZZP shift kit and a tranny cooler. The transmission started acting up a few days ago. When driving and coming to a complete stop the car is not downshifting. When i try to start going is gets stuck in 2nd or 3rd gear. (verified with DHP) When going up through the gears it shifts very crips & clean. THIS IS ALSO AN INTERMITENT PROBLEM. The only codes that are being thrown are P1676 & P0107 & P0172. One is a bad map sensor and I replaced the male end of it with one from ZZP but the code is still there. Anyways not sure what the other codes mean ill try to look them up.. Also when it is acting up I cannot remove the key. Any ideas whats up. I really think it is an electrical issue but have no clue where to start. Any Ideas?

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1998 GTP Cam'd 3.0 setup

The P0107 is the MAP code;
P0172 System Too Rich - Bank No. 1;
P1676 EVAP Canister Purge Solenoid Control CKT

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'02 Galaxy Silver GTX Coupe. SLP Headers, SLP cat-back exhaust, SLP 1.8 RR, ZZP 3.4/3.25" MPS, SLP hood, SLP CAI, Overkill PCM, 180 t-stat, SSIC, S1 TB, AL 104's, F/R STB's, F-body calipers.

Thx for the code info

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1998 GTP Cam'd 3.0 setup

AH HA I swapped out the new MAP sensor and everything is back to normal. When I remove the whole sensor I ended up finding a VAC line attached to the bottom of the MAP sensor. HMM Guess that was the issue. THX GOODNESS just a $50 sensor

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1998 GTP Cam'd 3.0 setup

The map sensor is the load sensing devise, thanks for the posted fix

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99 GS PT 61 IC 65# 1.9s 11.84@ 117 1.81 60'
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