P0403 Diagnostic Trouble Code Discussion for October 2009
EGR Solenoid Circuit Malfunction
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| Help Request | Posted | |
| 2004 Mazda 6 S 3.0L Poor Idle Quality VIN: 1YVEP80CX4 P0403: EGR Valve Stepper Motor Circuit Malfunction. please help. i was dumb enough to take this job in.(customer begged). this veh. was at another shop cause engine was bad. other shop installed used engine and it was bad.the shop told customer to come get it unrepaired customer request a reman ENG install. ins... |
October 14, 2009 | |
| 2003 Mazda 6 S 3.0L No Start VIN: 1YVFP80D73 P0403: EGR Valve Stepper Motor Circuit Malfunction. Vehicle came in and would crank but not start when cold outside (under 40 degrees it seems), after you let it sit in shop for a couple hours it will start up fine. had no spark and no fuel when it wouldn't start, MIL was on with throttle actuator codes but sus... |
October 21, 2009 | |
| 2003 Mazda 6 S 3.0L No Start VIN: 1YVFP80D73 P0403: EGR Valve Stepper Motor Circuit Malfunction. Vehicle came in and would crank but not start when cold outside (under 40 degrees it seems), after you let it sit in shop for a couple hours it will start up fine. had no spark and no fuel when it wouldn't start, MIL was on with throttle actuator codes but sus... |
October 22, 2009 | |
| 2002 Saturn SC1 1.9L Hesitation, Cuts out, Stall VIN: 1G8ZP12862 P0403: egr solenoid control circuit. vehicle came in with above codes and egr valve connector disconnected. codes cleared. egr commanded % not matching actual egr %. egr replace with new a/c delco egr valve. vehicle test driven. idles perfect. under accel will kick and buck like a horse no matter... |
October 27, 2009 |
