you need to get the fuel presure tested..these muust gave no less bthen 58psi at all times...you may have a bad fuel pump..it is common to have a weak fuel pump in these
Test Description The numbers below refer to the step numbers on the diagnostic table.
Notice: Do not allow the fuel pressure to exceed 517 kPa (75 psi). Excessive pressure may damage the fuel pressure regulator.
these dont feed fuel through the throttle boddy..it does it through the injectors under the intake..it will be hard to fix with out you haveing some testing tools......you will need to check a few things...first see if you have fire on the plug wires..if not it may be the icm
DESCRIPTION All IC and Bypass functions are controlled by the VCM software. This reduces the number of circuits outside the controller and ultimately reduces the possibility for shorts or opens in those circuits that could result in driveability complaints or diagnostic trouble codes