2004 Chevy Trailblazer 6 cyl Two Wheel Drive Automatic 91000 miles
I currently failed the state emission test they said the computer had an error code pointing to an emission problem. I took it to a shop where they came up with the following codes;
P0014 - Ex. Cam position
P0112 - IAT Sensor CKT Low Voltage
P0117 - ECT Sensor CKT Low Voltage
P0123 - TP Sensor CKT High Voltage
P0128 - Engine Coolant below T-Stat Regulated Temp
P0131 - H02S CKT Low Voltage (B1-S1)
P0133 - HO2S Slow Response (B1-S1)
P0138 - HO2S CKT High Volt (B1-S2)
P0621 - Generator L-Terminal CKT
P1133 - HO2S Insufficient Switching (B1-S1)
P1574 - Stoplamp Switch CKT
P1680 - Control Module Accelerator Pedal Position System performance
PCM sending 5V signal to L-Circuit on Alternator
Alternator has a shorted regulator causing a drop in V to 1.8
There is a knocking in the back which are the dampers for the A/C that seem to have lost their calibration and try to go beyond the stop.
We replaced the alternator and belt about a year and a half ago when we broke down (small shop in the middle of nowhere)
The shop wants to replace the alternator, PCM, Thermostat, Exhaust Cam Actuator and serpentine belt.
I don't think I need all of those replaced.
have the same problem?
Saturday, January 24th, 2009 AT 8:35 AM