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1989 Pontiac Firefly 1.0L Cuts out
Inspection Revealed: Code 13: Waveform and voltage range within spec ~ (Good) Code 21: TPS resistance while throttle closed, infinite ~ (Defect) Code 22: TPS Circuit functioning ~ (Good) Expect client cause of codes; stated he had been checkin...
FIX posted 8/16/1999
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Message Closed w/FIX
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Related Documents & Media 
| VIN | JG7MR2127K |
| Engine | 1.0 L / 3 cyl |
| Emissions | Fed emissions |
| Symptoms | Cuts Out |
| Occurs | Cold, Hot, Under Load, on Accel, Intermittently |
| Misc. | 2 Door |
Trouble Codes
| 13 | Oxygen Sensor is open causing lean condition |
| 21 | Throttle position sensor circuit is open |
| 22 | Throttle position sensor circuit is shorted |
| 42 | No definition |
Message Closed w/FIX
Vehicle Data
1989 Pontiac Firefly
| VIN | JG7MR2127K |
| Engine | 1.0 L / 3 cyl |
| Emissions | Fed emissions |
| Symptoms | Cuts Out |
| Occurs | Cold, Hot, Under Load, on Accel, Intermittently |
| Misc. | 2 Door |
Trouble Codes
| 13 | Oxygen Sensor is open causing lean condition |
| 21 | Throttle position sensor circuit is open |
| 22 | Throttle position sensor circuit is shorted |
| 42 | No definition |
Video