1999 Saturn SL1 1.9L MIL Lamp on
Customer may drive this car for days before it causes the light to come back on with these EGR faults. Voltage may be on the low side sitting in the shop but not this .04 volts and cannot duplicate this problem. Tried replacing valve twice using AC Delco parts...
Summary posted 7/25/2010
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Vehicle Data1999 Saturn SL1
Trouble Codes
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Message Closed w/Summary
Vehicle Data
1999 Saturn SL1
VIN | 1G8ZF528XX |
Engine | 1.9 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection / mfi |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0405 | EGR Pintle Position Sensor Circuit Low Voltage |
P1404 | EGR Valve Stuck Closed Malfunction |
P1599 | A/C Pressure Sensor Circuit Low Voltage |
P1620 | Low Engine Coolant Switch Circuit Low Input |