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1993 Pontiac Grand Am SE 2.3L MIL Lamp on
Posted to GM Driveability on 8/31/2000

After tune up check engine light stayed off for about 30 miles. Now light comes on about one minute after car has been [...] codes 28 & 43 not 27. Have checked voltage at knock sensor . With it uplugged had 5 volts and also running. So i installed new knock se...

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car Vehicle Data

1993 Pontiac Grand Am SE

VIN 1G2NE1431P
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / PFI
EmissionsUS FED
SymptomsMIL Lamp On
OccursAlways
Misc.2 Door

Trouble Codes

27quad driver
28quad driver
43est knock sensor
Message Closed

car Vehicle Data

1993 Pontiac Grand Am SE

VIN 1G2NE1431P
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / PFI
EmissionsUS FED
SymptomsMIL Lamp On
OccursAlways
Misc.2 Door

Trouble Codes

27quad driver
28quad driver
43est knock sensor