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1995 Chevrolet Blazer 4.3L MIL Lamp on
Posted to GM Driveability on 8/25/1998

First came to me with no disclosure of prior [...] code 172 (rich o2) and told my boss I needed diagnostic time but,it will probably be a faulty o2 due to no missfire [...] said lets just put em in and test [...] looked good and returned it to cust.5 days late...

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car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNDT13W1S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / C.F.I.
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.C.p.i.

Trouble Codes

1406EGR problem
172rich o2
Message Closed

car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNDT13W1S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / C.F.I.
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.C.p.i.

Trouble Codes

1406EGR problem
172rich o2