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1999 Chevrolet Astro 4.3L Poor Idle Quality, Surge, MIL Lamp on
when vehicle came back recheck for codes only code p1870. recheck cam retard reads -60 at idle. what is causing the cam retard to go crazy.
FIX posted 1/19/2006
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Message Closed w/FIX
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12 Replies Received
12 Replies Received
Related Documents & Media | VIN | 1GCDM19WOX |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CSFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, MIL Lamp On |
| Occurs | Cold, Hot, Idle, Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P1345 | Mass Airflow Sensor Loose Contact With Low Frequency |
| P1870 | Transmission Component Slipping Malfunction |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet Astro
| VIN | 1GCDM19WOX |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CSFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, MIL Lamp On |
| Occurs | Cold, Hot, Idle, Intermittently |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P1345 | Mass Airflow Sensor Loose Contact With Low Frequency |
| P1870 | Transmission Component Slipping Malfunction |
Video