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1990 Geo Prizm GSi 1.6L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 4/13/2005 4 Replies

Hi ,thanks for your time ,the problem i am having is the o2 signal on the red and green wire (o2 input to ecu) is always 0.900v even if i disconect the brake booster and induce a vac leak ,also if I disconect the o2 I still get 0.9v comeing out of the ecu.I ha...

4 Replies Received (View Replies)

  Related Documents & Media  1990 Geo Prizm GSi

 
Message Closed w/Summary

car Vehicle Data

1990 Geo Prizm GSi

VIN 1Y1SL5453L
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SFI
EmissionsFED
SymptomsExcessive Emissions, Poor Fuel Economy, MIL Lamp On
OccursAlways
Misc.Prizm Gsi Wide Head Engine

Trouble Codes

2102 sensor
25lean exhaust
26rich exhaust
Message Closed w/Summary

car Vehicle Data

1990 Geo Prizm GSi

VIN 1Y1SL5453L
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SFI
EmissionsFED
SymptomsExcessive Emissions, Poor Fuel Economy, MIL Lamp On
OccursAlways
Misc.Prizm Gsi Wide Head Engine

Trouble Codes

2102 sensor
25lean exhaust
26rich exhaust