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1990 Pontiac Grand Am LE 2.3L Excessive Emissions, Hesitation, Stall
Posted to GM Driveability on 4/18/2000

Owner said this quad 4 was doing this before she put on new parts and then let sit for a year. I found it runs ok on warm up until going into closed loop. Then is too rich, black smoke , o2 at 1000, and base pulse at 2.0. Integrator starts going down to le...

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Message Closed w/FIX

car Vehicle Data

1990 Pontiac Grand Am LE

VIN 1G2NE14D3L
Engine2.3 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / sefi
Emissionsobd1
SymptomsExcessive Emissions, Hesitation, Stall
OccursHot, Idle
Misc.Dohc
Message Closed w/FIX

car Vehicle Data

1990 Pontiac Grand Am LE

VIN 1G2NE14D3L
Engine2.3 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / sefi
Emissionsobd1
SymptomsExcessive Emissions, Hesitation, Stall
OccursHot, Idle
Misc.Dohc