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1999 Oldsmobile Aurora 4.0L Poor Idle Quality, Hesitation, Misfire
Posted to GM Driveability on 4/9/2008 4 Replies

This vechicle came in for MIL and poor idle (miss at idle) I pulled codes, found the laundry list, and constant misfires on #5. Since this vehicle is a regular in my shop, I peformed a inj. flow test and resistance test since I just istalled plugs and wires ab...

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Message Closed w/FIX

car Vehicle Data

1999 Oldsmobile Aurora

VIN 163GR62C0X
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0440EVAP System Leak Detected
P0560PCM Backup Circuit Low Voltage
P0603PCM Internal Module Keep Alive Memory Error
P1637TCM Internal - EEPROM Performance
Message Closed w/FIX

car Vehicle Data

1999 Oldsmobile Aurora

VIN 163GR62C0X
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0440EVAP System Leak Detected
P0560PCM Backup Circuit Low Voltage
P0603PCM Internal Module Keep Alive Memory Error
P1637TCM Internal - EEPROM Performance