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2008 Mazda 3 S 2.3L Idle fault
This Mazda will have no throttle response and MIL light on with P0638 and P2112. When put into gear engine will shake badly with #2 & 3 coils not firing. During testing I found the PCM not grounding the drive by wire relay(ETV). Tested the wiring from PCM to r...
FIX posted 6/25/2013
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Message Closed w/FIX
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2 Replies Received
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Related Documents & Media | VIN | JM1BK34428 |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MPFI |
| Emissions | OBD-II Compliant |
| Symptoms | Idle Fault |
| Occurs | Always |
Trouble Codes
| P0638 | Electronic Throttle Control (EGR Airflow Control Valve) Performance - Bank 1 |
| P2112 | Electronic Throttle Control - Unable To Open |
Message Closed w/FIX
Vehicle Data
2008 Mazda 3 S
| VIN | JM1BK34428 |
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MPFI |
| Emissions | OBD-II Compliant |
| Symptoms | Idle Fault |
| Occurs | Always |
Trouble Codes
| P0638 | Electronic Throttle Control (EGR Airflow Control Valve) Performance - Bank 1 |
| P2112 | Electronic Throttle Control - Unable To Open |
Video