× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1999 Oldsmobile Alero GLS 3.4L No Start, Poor Idle Quality, Stall
Posted to GM Driveability on 10/18/2007 6 Replies

This car has a whole host of symptoms that occur intermittently. At times it won't start, or dies when running. Sometimes it idles normally, other times it idles above 2500 rpm. It had a whole list of codes when we first got it in, and the ones I listed return...

6 Replies Received (View Replies)

  Related Documents & Media  1999 Oldsmobile Alero GLS

 
Message Closed w/FIX

car Vehicle Data

1999 Oldsmobile Alero GLS

VIN 1G3NF12E0X
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsNo Start, Poor Idle Quality, Stall
OccursIntermittently

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P0123Throttle Position Sensor Circuit High Voltage
P1121TP Sensor Signal Lower Than Expected
P1122TP Sensor Signal Higher Than Expected
P1626Theft Deterrent System Fuel Enable Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

1999 Oldsmobile Alero GLS

VIN 1G3NF12E0X
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsNo Start, Poor Idle Quality, Stall
OccursIntermittently

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P0123Throttle Position Sensor Circuit High Voltage
P1121TP Sensor Signal Lower Than Expected
P1122TP Sensor Signal Higher Than Expected
P1626Theft Deterrent System Fuel Enable Circuit Malfunction