× 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
1990 Geo Prizm GSi 1.6L MIL Lamp on
Posted to GM Driveability on 2/16/2010 3 Replies

any time at all check eng light may pop on no drivability problems mpg always 32-34 light may stay on for weeks or off for weeks sometimes on right from a cold morning start sometimes not

if not warmed up for like 4 min in the morning trans wont shift into 4t...

3 Replies Received (View Replies)

  Related Documents & Media  1990 Geo Prizm GSi

 
Message Closed

car Vehicle Data

1990 Geo Prizm GSi

VIN 1Y1SL5451Z
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / injection
SymptomsMIL Lamp On
OccursCold, Hot, Cruise, Intermittently

Trouble Codes

25lean
26rich
Message Closed

car Vehicle Data

1990 Geo Prizm GSi

VIN 1Y1SL5451Z
Engine1.6 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / injection
SymptomsMIL Lamp On
OccursCold, Hot, Cruise, Intermittently

Trouble Codes

25lean
26rich