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2003 Oldsmobile Alero GL 3.4L Excessive Emissions, Hesitation, Surge, Cuts out, Misfire, Poor Fuel Economy
Posted to GM Driveability on 1/11/2012 6 Replies

This vehicle just suddenly started running very bad under accel and smelling bad out the tail pipe and would hardly pull when accelerating hard. Very similar to a clogged cat. Checked back pressure - less than 1 psi! Had no check engine light and had only one ...

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car Vehicle Data

2003 Oldsmobile Alero GL

VIN 1G3NL52E73
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / EFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Hesitation, Surge, Cuts Out, Misfire, Poor Fuel Economy
OccursAlways, on Accel
Message Closed

car Vehicle Data

2003 Oldsmobile Alero GL

VIN 1G3NL52E73
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / EFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Hesitation, Surge, Cuts Out, Misfire, Poor Fuel Economy
OccursAlways, on Accel