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2001 Cadillac Seville SLS 4.6L Poor Idle Quality, Misfire, MIL Lamp on
after start up the egr valve opens for about 10 seconds causing the car to run rough you can watch it open on the scan tool the valve isnt the problem i tried another thinking maybe it was weak it does not have excessive back pressure either
FIX posted 9/19/2008
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Message Closed w/FIX
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Related Documents & Media | VIN | 1G6KS54Y71 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sfi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always, Idle |
Trouble Codes
| P0405 | EGR Pintle Position Sensor Circuit Low Voltage |
Message Closed w/FIX
Vehicle Data
2001 Cadillac Seville SLS
| VIN | 1G6KS54Y71 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sfi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always, Idle |
Trouble Codes
| P0405 | EGR Pintle Position Sensor Circuit Low Voltage |
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