My 2005 LT hatch has a 2007 motor installed (THANX DAOX!) It had an erratic idle. After reading on this forum, I cleaned the throttle body & the Idle Air Control Valve, and re-installed everything. Now it has a really rough idle, loss of power, and the xmission won't shift into high gear. Hear are the codes:
P0300 fix assist,
P0113 IAT high voltage
P0201 cyl 1 injector control ckt
P0107 MAP sensor low voltage
P0700 TCM requested MIL illumination
Here's what I've already tried:
New IAT
New MAP
New Idle Air Control Valve
Pulled & checked all plugs (no problems)
Checked for fire on all four plug wires (good)
Thanx in advance for all your help!